Probable effect

Drug Test or Parameter
Increase Antibiotics APTT

 

Increase ASA
Increase Asparaginase
Increase Cholestyramine
Increase Cyclophosphamide
Increase Enoxaparin
Increase Glycoprotein 2B 3A inhibitors
Increase Quinine
Increase Thrombolytics
Increase Warfarin
Increase Alcohol BT

 

Increase Allopurinol
(Some) Increase Antibiotics
Increase Anti cancer drugs
Increase Anticoagulants
Increase Asparaginase
Increase ASA
Decrease Desmopressin
Increase Dextran
Increase Diltiazem
Decrease Erythropoietin
Increase Halothane
Increase Nifedipine
Increase Nitroglycerin
Increase NSAIDs
Increase Propranolol
Increase Salicylates
Increase Streptokinase
Increase Thiazide diuretics
Increase Thrombolytics
Increase Urokinase
Increase Valproate
Decrease Anti cancer drugs Basophil
Increase Antithyroid drugs
Decrease Corticotropin
Decrease Glucocorticoids
Decrease Procainamide
Decrease Steroids
Decrease Thiotepa
Increase Allopurinol Eosinophili
Increase Amino acids
Increase; Aallergic reaction Antibiotics
Increase Anticonvulsants
Increase; Aallergic reaction Antimicrobials
Increase; Aallergic reaction Antitubercular drugs
Increase; Aallergic reaction Carbamazepine
Increase; Aallergic reaction Cephalosporins
Increase; Aallergic reaction Chloramphenicol
Decrease Corticosteroids
Decrease Corticotropin
Decrease Epinephrine
Increase; Aallergic reaction Erythromycin
Decrease Glucocorticoids
Increase Heparins
Decrease Methysergide
Decrease Multivitamin; Pediatric
Decrease Multivitamin; Therapeutic
Decrease Nicotinic acid
Increase; Aallergic reaction Penicillins
Increase; Aallergic reaction Phenothiazins
Increase; Aallergic reaction Phenytoin
Decrease Procainamide
Increase Procarbazine
Increase Quinidine
Decrease Steroids
Increase Streptomycin
Increase; Aallergic reaction Sulfonamides
Increase; Aallergic reaction Tetracyclines
Increase Tryptophan
Increase; Aallergic reaction Vancomycin
Decrease Anti cancer drugs Hemoglobin
Decrease Antibiotics
Decrease Apresoline
Decrease ASA
Decrease Cotrimoxazole
Increase Gentamicin
Decrease Hydantoins
Decrease Indomethacin
Decrease MAO inhibitors
Increase Methyldopa
Decrease Primaquine
Decrease Rifampin
Decrease Sulfonamides
Decrease Tridione
Decrease Acetaminophen HCT
Decrease Ampicillin
Decrease Anti cancer drugs
Decrease; Causing hemolysis in G6PD deficiency Arsenicals (organic)
Decrease; Causing hemolysis in G6PD deficiency Captopril
Decrease; Causing hemolysis via immune reaction Carbamazepine
Decrease; Causing hemolysis via immune reaction Carbutamide
Decrease Chloramphenicol
Decrease; Causing hemolysis via immune reaction Chlordiazepoxide
Decrease; Causing hemolysis in G6PD deficiency Chloroquine
Decrease; Causing hemolysis via immune reaction Chlorpropamide
Decrease; Causing hemolysis in G6PD deficiency Dapsone
Decrease; Causing hemolysis in G6PD deficiency Dimercaprol
Decrease; Causing hemolysis in G6PD deficiency Furazolidone
Increase Gentamicin
Decrease Haloperidol
Decrease Hydantoins
Decrease Hydralazine
Decrease Indomethacin
Decrease Isoniazid
(High dose) Decrease; Causing hemolysis via immune reaction Levodopa
Decrease Methyldopa
Decrease; Causing hemolysis in G6PD deficiency Methylene blue
Decrease Minodex
Decrease Multivitamin; Therapeutic
Decrease; Causing hemolysis in G6PD deficiency Nalidixic acid
Decrease Nitrofurans
Decrease; Causing hemolysis in G6PD deficiency Nitrofurantoin
Decrease; Causing hemolysis in G6PD deficiency Nitrofurazone
Decrease Penicillins
Decrease; Causing hemolysis in G6PD deficiency Phenazopyridine
Decrease Phenobarbital
Decrease Phenylbutazone
Decrease; Causing hemolysis in G6PD deficiency Probenecid
Decrease; Causing hemolysis via immune reaction Procainamide
Decrease; Causing hemolysis in G6PD deficiency Pyrimethamine
Decrease; Causing hemolysis in G6PD deficiency Quinacrine
Decrease; Causing hemolysis via immune reaction Quinidine
Decrease; Causing hemolysis via immune reaction Quinine
Decrease; Causing hemolysis in G6PD deficiency Solapsone
(High dose) Decrease; Causing hemolysis via immune reaction Stibophen
Decrease Tetracyclines
Decrease Thiazide diuretics
Decrease; Causing hemolysis via immune reaction Tolbutamide
Decrease Valproate
Decrease Vitamin A
Decrease Anti cancer drugs Lymphocyte
Increase Arsenicals (organic)
Increase ASA
Decrease Asparaginase
Decrease Chlorambucil
Decrease Corticosteroids
Decrease Corticotropin
Decrease Cortisone
Increase Dilantin
Decrease Epinephrine
Decrease Glucocorticoids
Increase Haloperidol
Decrease Immunosuppressants
Increase Lead
Increase Levodopa
Decrease Lithium
Decrease Multivitamin; Pediatric
Decrease Multivitamin; Therapeutic
Decrease Nicotinic acid
Decrease Nitrogen mustards
Decrease Steroids
Increase Tetrachlorethane poisioning
(Excess intake) Decrease Alcohol MCH
Increase Heparins
Increase Hydroxyurea
Increase Methortrexate
Increase Phenytoin
Increase Zidovudine
Increase Heparins MCHC
Increase Oral Contraceptives
(Excess intake) Decrease Alcohol MCV
Increase Antimetabolytes
Increase Colchicine
Increase Cotrimoxazole
Increase Heparins
Increase Zidovudine
Increase Carbon disulfide poisoning Monocyte
Decrease Glucocorticoids
Increase Griseofulvin
Increase Haloperidol
Decrease Immunosuppressants
Increase Mephenytoin
Increase Methsuximide
Increase Phosphorous poisoning
Increase Tetrachlorethane poisioning
Decrease ۶MCP Neutrophil
Decrease; Affecting occasional subjects because of individual sensitivity Acetaminophen
Decrease; Affecting occasional subjects because of individual sensitivity Acetazolamide
Increase Acetylcholine
Decrease; If given in sufficient dosage Actinomycin D
Decrease; Affecting occasional subjects because of individual sensitivity Ajmaline
Decrease Alcohol
Decrease; Affecting occasional subjects because of individual sensitivity Alpha Interferon
Decrease; Affecting occasional subjects because of individual sensitivity Aminobenzoic acid
Decrease; Affecting occasional subjects because of individual sensitivity Aminoglutethimide
Decrease Aminophilline
Decrease; Affecting occasional subjects because of individual sensitivity Aminopyrine
Decrease; Affecting occasional subjects because of individual sensitivity Amiodarone
Decrease; Affecting occasional subjects because of individual sensitivity Amitriptyline
Decrease Ampicillin
Decrease; If given in sufficient dosage Amsacrine
Decrease; Affecting occasional subjects because of individual sensitivity Analgesics
Decrease Anti cancer drugs
Decrease; Affecting occasional subjects because of individual sensitivity Antibiotics
Decrease; Affecting occasional subjects because of individual sensitivity Antidepresants
Decrease; Affecting occasional subjects because of individual sensitivity antimony
Decrease Antithyroid drugs
Decrease; Affecting occasional subjects because of individual sensitivity Antivirals
Decrease; Affecting occasional subjects because of individual sensitivity Aprindine
Decrease ASA
Decrease; If given in sufficient dosage Asparaginase
Decrease; If given in sufficient dosage Azathioprine
Decrease; Affecting occasional subjects because of individual sensitivity Barbiturates
Decrease; Affecting occasional subjects because of individual sensitivity Benzodiazepines
Decrease; Affecting occasional subjects because of individual sensitivity Brompheneramine
Decrease; If given in sufficient dosage Busulfan
Decrease; Affecting occasional subjects because of individual sensitivity Captopril
Decrease; Affecting occasional subjects because of individual sensitivity Carbamazepine
Decrease; Affecting occasional subjects because of individual sensitivity Carbimazole
Decrease; If given in sufficient dosage Carboplatin
Decrease; Affecting occasional subjects because of individual sensitivity Carbutamide
Decrease; Affecting occasional subjects because of individual sensitivity Cephalosporins
Decrease; If given in sufficient dosage Chlorambucil
Decrease; Affecting occasional subjects because of individual sensitivity Chloramphenicol
Decrease; Affecting occasional subjects because of individual sensitivity Chlorpromazaine
Decrease; Affecting occasional subjects because of individual sensitivity Chlorpropamide
Decrease; Affecting occasional subjects because of individual sensitivity Chlorthalidone
Decrease; Affecting occasional subjects because of individual sensitivity Cimetidine
Decrease; Affecting occasional subjects because of individual sensitivity Cinophen
Decrease; If given in sufficient dosage Cisplatin
Decrease; Affecting occasional subjects because of individual sensitivity Clindamycin
Decrease; Affecting occasional subjects because of individual sensitivity Clozapine
Decrease; Affecting occasional subjects because of individual sensitivity Cotrimoxazole
Increase CSFs
Decrease; If given in sufficient dosage Cyclophosphamide
Decrease; If given in sufficient dosage Cytarabine
Decrease; If given in sufficient dosage Dacarbazine
Decrease; Affecting occasional subjects because of individual sensitivity Dapsone
Decrease; If given in sufficient dosage Daunorubicin
Decrease; Affecting occasional subjects because of individual sensitivity DDT
Decrease; Affecting occasional subjects because of individual sensitivity Desipramine
Decrease Diazepam
Decrease; Affecting occasional subjects because of individual sensitivity Diethazine
Increase Digitalis
Decrease; Affecting occasional subjects because of individual sensitivity Dinitrophenol
Decrease; Affecting occasional subjects because of individual sensitivity Dipyrone
Decrease Diuretics
Decrease; If given in sufficient dosage Doxorubicin
Decrease; Affecting occasional subjects because of individual sensitivity Enalapril
Increase Endotoxin
Increase Epinephrine
Decrease; If given in sufficient dosage Epirubicin
Decrease; Affecting occasional subjects because of individual sensitivity Ethacrynic acid
Decrease; If given in sufficient dosage Ethanol
Decrease; Affecting occasional subjects because of individual sensitivity Ethosuximide
Increase Etiochonanolone
Decrease; If given in sufficient dosage Etoposide
Decrease; If given in sufficient dosage Fluorouracil
Decrease; Affecting occasional subjects because of individual sensitivity Gama interferons
Decrease; Affecting occasional subjects because of individual sensitivity Ganciclovir
Increase G-CSF
Decrease; Affecting occasional subjects because of individual sensitivity Gentamicin
Increase Glucocorticoids
Increase GM-CSF
Decrease; Affecting occasional subjects because of individual sensitivity Gold compounds
Increase Haloperidol
Increase Heparins
Decrease; Affecting occasional subjects because of individual sensitivity Hioglycolic acid
Increase Histamine
Decrease; Affecting occasional subjects because of individual sensitivity Ibuprofen
Decrease; Affecting occasional subjects because of individual sensitivity Imatinib
Decrease; Affecting occasional subjects because of individual sensitivity Imipenem
Decrease; Affecting occasional subjects because of individual sensitivity Imipramine
Decrease; Affecting occasional subjects because of individual sensitivity Indomethacin
Decrease; Affecting occasional subjects because of individual sensitivity Isoniazid
Increase KCl
Increase Lead
Increase Lithium
Decrease; If given in sufficient dosage Mechlorethamine
Decrease; If given in sufficient dosage Melphalan
Decrease; Affecting occasional subjects because of individual sensitivity Mephenytoin
Decrease; Affecting occasional subjects because of individual sensitivity Meprobamate
Decrease; If given in sufficient dosage Mercaptopurine
Decrease; Affecting occasional subjects because of individual sensitivity Methaphenilene
Decrease; Affecting occasional subjects because of individual sensitivity Methazolamide
Decrease; Affecting occasional subjects because of individual sensitivity Methimazole
Decrease; If given in sufficient dosage Methortrexate
Decrease; Affecting occasional subjects because of individual sensitivity Metronidazole
Decrease; Affecting occasional subjects because of individual sensitivity Mianserin
Decrease; If given in sufficient dosage Mitomycin
Decrease; If given in sufficient dosage Mitoxantrone
Decrease; Affecting occasional subjects because of individual sensitivity Mycophenolate mofetil
Decrease; Affecting occasional subjects because of individual sensitivity Nitrofurantoin
Decrease; If given in sufficient dosage Nitrosoureas
Decrease; Affecting occasional subjects because of individual sensitivity Novobiocin
Decrease; Affecting occasional subjects because of individual sensitivity NSAIDs
Decrease; Affecting occasional subjects because of individual sensitivity Omeprazole
Decrease; Affecting occasional subjects because of individual sensitivity Oxyphenbutazone
Decrease; Affecting occasional subjects because of individual sensitivity Penicillamine
Decrease; Affecting occasional subjects because of individual sensitivity Penicillins
Decrease; Affecting occasional subjects because of individual sensitivity phenindione
Decrease; Affecting occasional subjects because of individual sensitivity Phenothiazins
Decrease; Affecting occasional subjects because of individual sensitivity Phenylbutazone
Decrease; Affecting occasional subjects because of individual sensitivity Phenytoin
Decrease; Affecting occasional subjects because of individual sensitivity Plasmochin
Decrease; If given in sufficient dosage Plicamycin
Decrease Procainamide
Decrease; Affecting occasional subjects because of individual sensitivity Prochlorperazine
Decrease; Affecting occasional subjects because of individual sensitivity Propylthiouracil
Decrease; Affecting occasional subjects because of individual sensitivity Pyrithyldione
Decrease; Affecting occasional subjects because of individual sensitivity Quinidine
Decrease; Affecting occasional subjects because of individual sensitivity Quinine
Decrease; Affecting occasional subjects because of individual sensitivity Ranitidine
Decrease; Affecting occasional subjects because of individual sensitivity Rauwolfia alkaloids
Decrease; Affecting occasional subjects because of individual sensitivity Spironolactone
Increase Steroids
Decrease; Affecting occasional subjects because of individual sensitivity Streptomycin
Decrease; Affecting occasional subjects because of individual sensitivity Sulfonamides
Decrease; Affecting occasional subjects because of individual sensitivity Tamoxifen
Decrease; Affecting occasional subjects because of individual sensitivity Tetracyclines
Decrease; Affecting occasional subjects because of individual sensitivity Thiazide diuretics
Decrease; If given in sufficient dosage Thioguanine
Decrease; Affecting occasional subjects because of individual sensitivity Thioridazine
Decrease; Affecting occasional subjects because of individual sensitivity Thiouracil
Decrease; Affecting occasional subjects because of individual sensitivity Ticlopidine
Decrease; Affecting occasional subjects because of individual sensitivity Tocainide
Decrease; Affecting occasional subjects because of individual sensitivity Tolbutamide
Decrease; Affecting occasional subjects because of individual sensitivity Trimethadione
Decrease; Affecting occasional subjects because of individual sensitivity Trimethoprim
Decrease; Affecting occasional subjects because of individual sensitivity Tripelennamine
Decrease; Affecting occasional subjects because of individual sensitivity Valproate
Decrease; Affecting occasional subjects because of individual sensitivity Vancomycin
Decrease; Affecting occasional subjects because of individual sensitivity Vinblastine
Decrease; If given in sufficient dosage Vincristine
Decrease; Affecting occasional subjects because of individual sensitivity Zidovudine
Decrease count; In some subjects because of individual sensitivity Abciximab Platelet
Decrease count ACE-inhibitors
Decrease count; In some subjects because of individual sensitivity Acetaminophen
Decrease count; In some subjects because of individual sensitivity Acetazolamide
Decrease count; If given in sufficient dose Actinomycin D
Increase count Acyclovir
Decrease count; In some subjects because of individual sensitivity Alcohol
Decrease count; If given in sufficient dose Alemtuzumab
Increase count Alglucerase
Decrease count; In some subjects because of individual sensitivity Allopurinol
Decrease count; In some subjects because of individual sensitivity Alpha Interferon
Decrease count; In some subjects because of individual sensitivity Alprenolol
Decrease count; In some subjects because of individual sensitivity Aminosalicylic acid
Decrease count; In some subjects because of individual sensitivity Amiodarone
Decrease count; In some subjects because of individual sensitivity Amitriptyline
Decrease count; In some subjects because of individual sensitivity Amphotericin B
Decrease count; In some subjects because of individual sensitivity Amrinone
Decrease count Anti cancer drugs
Decrease count Antiarrythmics
Decrease count Antibiotics
Decrease count; In some subjects because of individual sensitivity Antidepresants
Decrease count; In some subjects because of individual sensitivity Antipyrine
Decrease count; In some subjects because of individual sensitivity Arsenicals (organic)
Decrease count; In some subjects because of individual sensitivity ASA
Decrease count; If given in sufficient dose Asparaginase
Decrease count; In some subjects because of individual sensitivity Azathioprine
Decrease count; If given in sufficient dose Azathioprine
Decrease count; In some subjects because of individual sensitivity Azithromycin
Increase count Aztreonam
Decrease count; In some subjects because of individual sensitivity Barbiturates
Decrease count; In some subjects because of individual sensitivity Bismuth salts
Decrease count; In some subjects because of individual sensitivity Bortezomib
Decrease count; In some subjects because of individual sensitivity Bumetanide
Decrease count; If given in sufficient dose Busulfan
Decrease count; In some subjects because of individual sensitivity Captopril
Decrease count; In some subjects because of individual sensitivity Carbamazepine
Decrease count; In some subjects because of individual sensitivity Carbutamide
Increase count Cefotetan
Increase count Ceftazidime
Decrease count; In some subjects because of individual sensitivity Cephalosporins
Decrease count; If given in sufficient dose Chlorambucil
Decrease count; In some subjects because of individual sensitivity Chloramphenicol
Decrease count; In some subjects because of individual sensitivity Chloroquine
Decrease count Chlorothiazide
Decrease count; In some subjects because of individual sensitivity Chlorpheniramine
Decrease count; In some subjects because of individual sensitivity Chlorpromazaine
Decrease count; In some subjects because of individual sensitivity Chlorpropamide
Decrease count; In some subjects because of individual sensitivity Cimetidine
Decrease count; If given in sufficient dose Cisplatin
Increase count Clindamycin
Decrease count; In some subjects because of individual sensitivity Clindamycin
Increase count Clozapine
Decrease count; In some subjects because of individual sensitivity Codeine
Decrease count; In some subjects because of individual sensitivity Colchicine
Decrease count; In some subjects because of individual sensitivity Copper
Increase count Corticosteroids
Decrease count; In some subjects because of individual sensitivity Cotrimoxazole
Decrease count; If given in sufficient dose Cyclophosphamide
Decrease count; In some subjects because of individual sensitivity Cyclosporine
Decrease count; If given in sufficient dose Dacarbazine
Decrease count; If given in sufficient dose Dacarbazine
Increase count Danazol
Increase count Daptomycin
Decrease count; If given in sufficient dose Daunorubicin
Decrease count; In some subjects because of individual sensitivity Desipramine
Decrease count; In some subjects because of individual sensitivity Dextroamphetamine
Decrease count Diazoxide
Decrease count; In some subjects because of individual sensitivity Diazoxide
Decrease count Digitalis
Decrease count; In some subjects because of individual sensitivity Digitoxin
Decrease count; In some subjects because of individual sensitivity Dinitrophenol
Decrease count; In some subjects because of individual sensitivity Diphenhydramine
Decrease count; In some subjects because of individual sensitivity Diphenhydramine compound
Increase count Dipyridamole
Decrease count; In some subjects because of individual sensitivity Divalproex
Increase count Donepezil
Decrease count Donepezil
Decrease count; If given in sufficient dose Doxorubicin
Decrease count; In some subjects because of individual sensitivity Efalizumab
Decrease count Enoxacin
Decrease count Epinephrine
Decrease count; If given in sufficient dose Epirubicin
Decrease count; In some subjects because of individual sensitivity Ergot alkaloids
Decrease count; In some subjects because of individual sensitivity Erythromycin
Increase count Erythropoietin
Increase count Estrogens
Decrease count; In some subjects because of individual sensitivity Estrogens
Decrease count; In some subjects because of individual sensitivity Ethosuximide
Decrease count; If given in sufficient dose Etoposide
Decrease count; In some subjects because of individual sensitivity Faudin
Decrease count; If given in sufficient dose Fludarabine
Decrease count; In some subjects because of individual sensitivity Furosemide
Decrease count; In some subjects because of individual sensitivity Ganciclovir
Decrease count; In some subjects because of individual sensitivity Gemcitabine
Increase count Gemfibrazil
Decrease count; In some subjects because of individual sensitivity Gemfloxacin
Decrease count; In some subjects because of individual sensitivity Glibenclamide
Decrease count; In some subjects because of individual sensitivity Gold compounds
Decrease count H2 blockers
Decrease count; In some subjects because of individual sensitivity Heparins
(Unfractionated heparin) Decrease count; In some subjects because of individual sensitivity Heparins
Decrease count; In some subjects because of individual sensitivity Heparinoids
(Low molecular weight heparin) Decrease count; In some subjects because of individual sensitivity Heparins
Decrease count; If given in sufficient dose Hioguanine
Decrease Hydralazine
Decrease count; In some subjects because of individual sensitivity Hydroxychloroquine
Decrease count; In some subjects because of individual sensitivity Ibritumomab
Decrease count; In some subjects because of individual sensitivity Ibuprofen
Decrease count; If given in sufficient dose Imatinib
Increase count Immune globulin
Decrease count; In some subjects because of individual sensitivity Indomethacin
Decrease count Infliximab
Decrease count; In some subjects because of individual sensitivity insulin
Increase count Interferons
Decrease count; In some subjects because of individual sensitivity Isoniazid
Decrease count; In some subjects because of individual sensitivity Levamisol
Decrease count; In some subjects because of individual sensitivity Linzolid
Increase count Lithium
Decrease count; If given in sufficient dose Lomustine
Decrease count Loop diuretics
Decrease count; If given in sufficient dose Mechlorethamine
Decrease count; In some subjects because of individual sensitivity Meperidine
Decrease count; In some subjects because of individual sensitivity Mephenytoin
Decrease count; In some subjects because of individual sensitivity Meprobamate
Decrease count; If given in sufficient dose Mercaptopurine
Decrease count; In some subjects because of individual sensitivity Mercurial diuretics
Decrease count; In some subjects because of individual sensitivity Methimazole
Decrease count; If given in sufficient dose Methortrexate
Decrease count; In some subjects because of individual sensitivity Methyldopa
Decrease count; In some subjects because of individual sensitivity Mexiletine
Increase count Miconazole
Decrease count; In some subjects because of individual sensitivity Morphine
Decrease count; In some subjects because of individual sensitivity Mycophenolate mofetil
Decrease count; In some subjects because of individual sensitivity Naproxen
Decrease count; In some subjects because of individual sensitivity Nitroglycerin
Decrease count; If given in sufficient dose Nitrosoureas
Decrease count; In some subjects because of individual sensitivity Novobiocin
Decrease count; In some subjects because of individual sensitivity NSAIDs
Increase count Ofloxacin
Increase count Oral Contraceptives
Decrease count; In some subjects because of individual sensitivity Oxaliplatin
Decrease count; In some subjects because of individual sensitivity Oxprenolol
Decrease count; In some subjects because of individual sensitivity Oxyphenbutazone
Decrease count; In some subjects because of individual sensitivity Paramethadione
Increase count Penicillamine
Decrease count; In some subjects because of individual sensitivity Penicillamine
Decrease count; In some subjects because of individual sensitivity Penicillins
Decrease count; In some subjects because of individual sensitivity Phenacetin
Decrease count Phenobarbital
Decrease count; In some subjects because of individual sensitivity Phenothiazins
Decrease count; In some subjects because of individual sensitivity Phenylbutazone
Decrease count; In some subjects because of individual sensitivity Phenytoin
Decrease count; If given in sufficient dose Plicamycin
Decrease count; In some subjects because of individual sensitivity Potassium iodide
Decrease count; In some subjects because of individual sensitivity Prednisone
Decrease count; In some subjects because of individual sensitivity Procaine
Decrease count; If given in sufficient dose Procarbazine
Increase count Propranolol
Decrease count; In some subjects because of individual sensitivity Propylthiouracil
Decrease count; In some subjects because of individual sensitivity Pyrazinamide
Decrease count; In some subjects because of individual sensitivity Quinidine
Decrease count; In some subjects because of individual sensitivity Quinine
Decrease count; In some subjects because of individual sensitivity Ranitidine
Decrease count; In some subjects because of individual sensitivity Reserpine
Decrease count; In some subjects because of individual sensitivity Rifampin
Increase count Rifapentine
Decrease count; In some subjects because of individual sensitivity Rituximab
Decrease count; In some subjects because of individual sensitivity Salicylates
Decrease count; In some subjects because of individual sensitivity Saquinavir
Decrease count; In some subjects because of individual sensitivity Silver
Decrease count; In some subjects because of individual sensitivity Sirolimus
Increase count Steroids
Decrease count; In some subjects because of individual sensitivity Stibophen
Decrease count; In some subjects because of individual sensitivity Streptomycin
Decrease count; In some subjects because of individual sensitivity Sulfonamides
Decrease count; In some subjects because of individual sensitivity Tamoxifen
Decrease count; In some subjects because of individual sensitivity Tetracyclines
Decrease count; In some subjects because of individual sensitivity Thiazide diuretics
Decrease count; In some subjects because of individual sensitivity Thiouracil
Increase count Ticlopidine
Decrease count; In some subjects because of individual sensitivity Ticlopidine
Decrease count; In some subjects because of individual sensitivity Tocainide
Decrease count; In some subjects because of individual sensitivity Tolbutamide
Decrease count; In some subjects because of individual sensitivity Tositumomab
Decrease count; In some subjects because of individual sensitivity Triamterene
Decrease count; In some subjects because of individual sensitivity Trifluoperazine
Decrease count; In some subjects because of individual sensitivity Trimethadione
Decrease count; In some subjects because of individual sensitivity Valgancyclovir
Decrease count; In some subjects because of individual sensitivity Valproate
Decrease count; In some subjects because of individual sensitivity Vancomycin
Decrease count; If given in sufficient dose Vinblastine
Increase count Vincristine
(Rare) Decrease count; If given in sufficient dose Vincristine
Decrease count; In some subjects because of individual sensitivity Vitamin K
Decrease count; In some subjects because of individual sensitivity Voriconazole
Increase count Zidovudine
Decrease count Acetaminophen RBC
Decrease count Acyclovir
Decrease count Allopurinol
Decrease count Amitriptyline
Decrease count Amphetamines
Decrease count Amphotericin B
Decrease count Ampicillin
Decrease count Anti cancer drugs
Decrease count Antibiotics
Decrease count Antimalarials
Decrease count Barbiturates
Decrease count Captopril
Decrease count Carbamazepine
Decrease count Chloramphenicol
Increase count Corticosteroids
Increase count Cosyntropin
Increase count Danazol
Decrease count Digoxin
Decrease count Donepezil
Increase count Erythropoietin
Increase count Gentamicin
Decrease count Haloperidol
Decrease count Hydantoins
Decrease count Hydralazine
Decrease count Indomethacin
Decrease count Isoniazid
Decrease count MAO inhibitors
Decrease count Minodex
Decrease count Multivitamin; Therapeutic
Decrease count Penicillamine
Decrease count Phenobarbital
Decrease count Phenylbutazone
Decrease count Phenytoin
Increase count Propranolol
Decrease count Propranolol
Decrease count Rifampin
Decrease count Tetracyclines
Increase count Thiazide diuretics
Decrease count Thiazide diuretics
Decrease count Thrombolytics
Decrease count Tolbutamide
Decrease count Valproate
Decrease count Vitamin A
Decrease count Acetaminophen WBC
Increase count Allopurinol
Increase count Anesthetics
Decrease count Anti cancer drugs
Decrease count Antithyroid drugs
Increase count Atropine
Decrease count Azathioprine
Increase count Barbiturates
Decrease count Bismuth salts
Decrease count Chlorambucil
Decrease count Chloramphenicol
Decrease count Chloroquine
Increase count Cotrimoxazole
Decrease count Cyclophosphamide
Decrease count Daunorubicin
Decrease count Diazepam
Increase count Epinephrine
Increase count Erythromycin
Decrease count Hydroxyurea
Decrease count Immunosuppressants
Decrease count Loop diuretics
Decrease count Melphalan
Decrease count Meprobamate
Decrease count Methortrexate
Decrease count Methyldopa
Decrease count Minodex
Decrease count Multivitamin; Therapeutic
Decrease count Phenothiazins
Decrease count Phenytoin
Decrease count Prednisone
Decrease count Procainamide
Decrease count Quinine
Increase count Steroids
Increase count Streptomycin
Increase count Sulfonamides
Decrease count Sulfonamides
Decrease count Vincristine
Decrease count Vitamin A
Decrease Anabolic steroids Coagulation Factors (II, V, VII, VIII, IX, X, XI & XII)
Decrease Androgens
Decrease Antibiotics
Increase Estrogens
Increase Oral Contraceptives
Increase Barbiturates D-Dimer
Increase Estrogens
Increase Fibrinolytics
Increase Thrombolytics
Decrease Albumin ESR
Decrease ASA
Decrease Corticotropin
Decrease Cortisone
Decrease Cyclophosphamide
Increase Dextran
Decrease Fluorides
Increase Heparins
Decrease Lecithin
Increase Oral Contraceptives
Decrease Oxalates
Decrease Quinine
Decrease Stroids
Decrease Glucose solutions
Increase Barbiturates FDP
Increase Fibrinolytics
False positive Heparins
Increase Plasminogen activators
Increase Streptokinase
Increase Urokinase
Increase Eisen Plus Ferritin
Decrease Erythropoietin
(Alcoholies) Increase Ethanol
Increase Ferfol
Increase Iron preparations
Increase Minodex
Increase Multivitamin; Therapeutic
Increase Oral Contraceptives
Decrease Anabolic steroids Fibrinogen
Decrease Androgens
Decrease Asparaginase
Decrease Atenolol
Decrease Cholestol lowering agents
Decrease Corticosteroids
Decrease Estrogens
Increase Estrogens
Decrease Fluorouracil
(High concentration) Decrease Heparins
Decrease Inhibitors of fibrin polymerization
Decrease Omega-3
Increase Oral Contraceptives
Decrease Phenobarbital
Decrease Plasminogen activators
Decrease Progestins
Decrease Streptokinase
Decrease Thrombolytics
Decrease Ticlopidine
Decrease Valproate
Decrease Alcohol Folic acid
Decrease Aminosalicylic acid
Decrease Ampicillin
Decrease Antacids
Decrease Antibiotics
Decrease Anticonvulsants
Decrease Bicarbonate
Decrease Carbamazepine
Decrease Chloramphenicol
Decrease Cholestyramine
Decrease Colchicine
Decrease Cotrimoxazole
Decrease Cyclosporine
Decrease Erythromycin
Decrease Estrogens
Decrease Glutethimide
Decrease Isoniazid
Decrease Mefenamic acid
Decrease Metformin
Decrease Methortrexate
Decrease Neomycin
Decrease Nitrofurans
Decrease Oral Contraceptives
Decrease Penicillins
Decrease Pentamidine
Decrease Phenacetin
Decrease Phenformin
Decrease Phenobarbital
Decrease Phenobarbital
Decrease Phenytoin
Decrease Primidone
Decrease Pyrimethamine
Decrease Sulfasalazine
Decrease Tetracyclines
Decrease Triamterene
Decrease Trimethoprim
Decrease Valproate
May cause Heinz bodies and hemolysis in healthy individuals Aniline Heinz Body Preparation
May cause Heinz bodies and hemolysis in healthy individuals ASA
May cause Heinz bodies and hemolysis in healthy individuals Chlorates
May cause Heinz bodies and hemolysis in healthy individuals Dapsone
May cause Heinz bodies and hemolysis in healthy individuals Hydroxylamine
May cause Heinz bodies and hemolysis in healthy individuals Naphthalene
May cause Heinz bodies and hemolysis in healthy individuals Nitrobenzene
May cause Heinz bodies and hemolysis in healthy individuals Nitrofurans
May cause Heinz bodies and hemolysis in healthy individuals Phenacetin
May cause Heinz bodies and hemolysis in healthy individuals Phenol derivatives

 

May cause Heinz bodies and hemolysis in healthy individuals Phenylhydrazine
May cause Heinz bodies and hemolysis in healthy individuals Phenylsemicarbazide
May cause Heinz bodies and hemolysis in healthy individuals Resorcin
May cause Heinz bodies and hemolysis in healthy individuals Salicylazosulfidine
May cause Heinz bodies and hemolysis in healthy individuals Sodium sulfoxone
May cause Heinz bodies and hemolysis in healthy individuals Sulfamethoxypyridine
May cause Heinz bodies and hemolysis in healthy individuals Sulfonamides
May cause Heinz bodies and hemolysis in healthy individuals Sulfones
Decrease ACTH Iron
Decrease Allopurinol
Decrease Anabolic steroids
Decrease ASA
Increase Cefotaxim
Increase Chloramphenicol
Increase Chloramphenicol
Decrease Cholestyramine
Increase Cisplatin
Decrease Colchicine
Decrease Corticotropin
Decrease Cortisone
Increase Dextran
Increase Estrogens
Increase Ethanol
Increase Lead
Decrease Metformin
Decrease Methicillin
Increase Methimazole
Increase Methortrexate
Increase Methyldopa
Increase Oral Contraceptives
Decrease Pergolide
Decrease Progestins
Decrease Pyrazinamide
Decrease Rispridone
Decrease Steroids
Decrease Testosterone
Decrease Chloramphenicol
False-positive results Argatroban Lupus Anlicoagulunt
False-positive results Danaparoid
False-positive results Heparins
False-positive results Hirudin
False-positive results Oral Anticoagulant therapy
False-positive results Warfarin
Decrease Antibiotics Protein C
Decrease Asparaginase
Decrease Estrogens
Decrease Heparins
Decrease Oral Anticoagulant therapy
Increase Oral Contraceptives
Increase Stanozolol
Decrease Warfarin
Decrease Asparaginase Protein S
Decrease Hormon replacement
Decrease Oral Contraceptives
Decrease Warfarin
(Poisoning) Increase; May produce an additive effect to oral anticoagulants Acetaminophen PT/INR
Increase; May produce an additive effect to oral anticoagulants Acetohexamide
(Chronic abuse) Decrease Alcohol
Increase; May interact with the oral anticoagulant to enhance

its action

Allopurinol
Decrease; may interact with oral anticoagulants to decrease their effect Aminoglutethimide
Increase; May produce an additive effect to oral anticoagulants Aminosalicylic acid
Increase; May interact with the oral anticoagulant to enhance

its action

Amiodarone
Decrease Anabolic steroids
Increase; May produce an additive effect to oral anticoagulants Anabolic steroids
Increase; May produce an additive effect to oral anticoagulants Anistreplase
Decrease Antacids
Increase Antibiotics
Decrease Antihistamines
Increase; May produce an additive effect to oral anticoagulants (Large-dose effect) ASA
(Smalldoses) Decrease ASA
Increase; May produce an additive effect to oral anticoagulants Asparaginase
Increase Barbiturates
Decrease; may interact

with oral anticoagulants

to decrease their effect

Barbiturates
Decrease Caffeine
Decrease; may interact with oral anticoagulants to decrease their effect Carbamazepine
Increase; May produce an additive effect to oral anticoagulants Carbenicillin
Increase; May produce an additive effect to oral anticoagulants Cefamandole
Increase; May produce an additive effect to oral anticoagulants Cefmetazole
Increase; May produce an additive effect to oral anticoagulants Cefoperazone
Increase; May produce an additive effect to oral anticoagulants Cefotetan
Increase; May produce an additive effect to oral anticoagulants Cephalosporins
Decrease Chloral hydrate
Increase; May interact with the oral anticoagulant to enhanc

its action (Initial effect)

Chloral hydrate
Increase; May interact with the oral anticoagulant to enhance

its action (Inhibits metabolism)

Chloramphenicol
Increase; May produce an additive effect to oral anticoagulants (Rare) Cholestipol
Decrease; may interact with oral anticoagulants to decrease their effect (Impairs absorption) Cholestyramine
(Rare) Increase; May produce an additive effect to oral anticoagulants Cholestyramine
Increase; May interact with the oral anticoagulant to enhance

its action

Cimetidine
Increase; May interact with the oral anticoagulant to enhanc

its action

Clofibrate
Decrease Colchicine
Decrease; may interact with oral anticoagulantto decrease their effect Corticosteroids
Increase Corticotropin
Increase Cotrimoxazole
Increase (V); May produce an additive effect to oral anticoagulants Cyclophosphamide
Decrease Digitalis
Decrease Diphenhydramine compound
Increase; May interact with the oral anticoagulant to enhance

its action

Disulfiram
Increase Diuretics
Decrease Eisen Plus
Increase; May interact with the oral anticoagulant to enhance

its action

Erythromycin
Increase Estrogens
Increase; May interact with the oral anticoagulant to enhance

its action

Ethacrynic acid
Decrease; may interact with oral anticoagulants

to decrease their effect

Ethanol
(Large quantities, alcoholism) Increase; May produce an additive effect to oral anticoagulants Ethanol
Decrease; may interact

with oral anticoagulants

to decrease their effect

Ethchlorvynol
Increase; May interact with the oral anticoagulant to enhance

its action

Glucagon
Decrease; may interact

with oral anticoagulants

to decrease their effect

Glutethimide
Decrease; may interact

with oral anticoagulants

to decrease their effect

Griseofulvin
Decrease Haloperidol
Increase; May produce an additive effect to oral anticoagulants Halothane
Decrease Hematinic
Increase; May produce an additive effect to oral anticoagulants (Concentration related effect; more likely with intermittent doses) Heparins
Increase Hepatotoxic drugs
Increase; May produce an additive effect to oral anticoagulants (Transient) Hetastarch
Increase Ibuprofen
Increase; May produce an additive effect to oral anticoagulants Interferon a-2b
Increase Kanamycin
Increase; May produce an additive effect to oral anticoagulants Laxatives
Increase Levothyroxine
Increase MAO inhibitors
Increase; May interact with the oral anticoagulant to enhance

its action

Mefenamic acid
Decrease Menadiol
Decrease Meprobamate
Increase Mercaptopurine
Decrease Mercaptopurine
Increase ; May produce an additive effect to oral anticoagulants Methortrexate
Increase Methyldopa
Increase Metronidazole
Increase; May interact with the oral anticoagulant to enhance

its action

Miconazole
Increase Minodex
Increase Mithramycin
Increase; May produce an additive effect to oral anticoagulants Moxalactam
Decrease Multivitamin; Pediatric
Increase Multivitamin; Therapeutic
Increase; May interact with the oral anticoagulant to enhance

its action

Nalidixic acid
Increase Naproxen
Increase Narcotics
Increase Neomycin
Increase ; May produce an additive effect to oral anticoagulants Nicotinic acid
Increase Nortriptyline
Increase ; May produce an additive effect to oral anticoagulants Oral Anticoagulant therapy
Decrease Oral Contraceptives
Increase; May interact with the oral anticoagulant to enhance

its action

Oxyphenbutazone
Decrease Phenobarbital
Increase; May interact with the oral anticoagulant to enhance

its action

Phenylbutazone
Increase; May interact with the oral anticoagulant to enhance

its action

Phenyramidol
Increase; May interact with the oralanticoagulant to enhance

its action (Transient initial effect)

Phenytoin
(Chronic use) Decrease; may interact with oral anticoagulants

to decrease their effect

Phenytoin
Decrease Phytonadione
Increase ; May produce an additive effect to oral anticoagulants Plicamycin
Increase Propafenone
Increase Propylthiouracil
Increase ; May produce an additive effect to oral anticoagulants Pyrazinamide
Increase Pyrazolones
Increase Quinidine
Increase ; May produce an additive effect to oral anticoagulants quinidine
Increase Quinine
Increase Ranitidine
Increase Rifampin
Increase Streptomycin
Increase Sulfinpyrazone
Increase; May interact with the oral anticoagulant to enhance

its action

Sulfinpyrazone
Increase; May interact with the oral anticoagulant to enhance

its action

Sulfonamides
Increase; May interact with the oral anticoagulant to enhance

its action

Tamoxifen
Increase Tetracyclines
Decrease Theophylline
Increase; May produce an additive effect to oral anticoagulants Thiazide diuretics
Increase; May interact with the oral anticoagulant to enhance

its action

Thyroxine
Increase ; May produce an additive effect to oral anticoagulants Ticarcillin
Increase ; May produce an additive effect to oral anticoagulants Tolazamide
Increase Vitamin A
Decrease Vitamin C
Decrease Vitamin K
Decrease Xanthines
Decrease Anti cancer drugs Reticulocyte Count
Increase Antipyretics
Increase ; Because of hemolysis in G6PD deficiency Arsenicals (organic)
Decrease Azathioprine
Increase ; Because of hemolysis in G6PD deficiency Captopril
Increase ; Because of hemolysis via immune reaction Carbamazepine
Increase ; Because of hemolysis via immune reaction Carbutamide
Decrease Chloramphenicol
Increase ; Because of hemolysis via immune reaction Chlordiazepoxide
Increase ; Because of hemolysis in G6PD deficiency Chloroquine
Increase ; Because of hemolysis via immune reaction Chlorpropamide
Increase Cotrimoxazole
Decrease Cotrimoxazole
Increase ; Because of hemolysis in G6PD deficiency Dapsone
Increase ; Because of hemolysis in G6PD deficiency Dimercaprol
Increase Eisen Plus
Increase Erythropoietin
Increase Ferfol
Increase Folic acid
Increase ; Because of hemolysis in G6PD deficiency Furazolidone
Increase Hematinic
Increase Iron preparations
Increase Levodopa
Decrease Methortrexate
Increase ; Because of hemolysis in G6PD deficiency Methylene blue
Increase Minodex
Increase Multivitamin; Pediatric
Increase Multivitamin; Therapeutic
Increase ; Because of hemolysis in G6PD deficiency Nalidixic acid
Increase ; Because of hemolysis in G6PD deficiency Nitrofurantoin
Increase ; Because of hemolysis in G6PD deficiency Nitrofurazone
Increase ; Because of hemolysis in G6PD deficiency Phenazopyridine
Increase ; Because of hemolysis in G6PD deficiency Primaquine
Increase ; Because of hemolysis in G6PD deficiency Probenecid
Increase ; Because of hemolysis via immune reaction Procainamide
Increase ; Because of hemolysis in G6PD deficiency Pyrimethamine
Increase ; Because of hemolysis in G6PD deficiency Quinacrine
Increase ; Because of hemolysis via immune reaction Quinidine
Increase ; Because of hemolysis via immune reaction Quinine
Increase ; Because of hemolysis in G6PD deficiency Solapsone
Increase Sulfonamides
Decrease Sulfonamides
Increase ; Because of hemolysis via immune reaction Tolbutamide
Increase Vitamin B12
Decrease Zidovudine
Decrease ACTH TIBC
Decrease Asparaginase
Decrease Chloramphenicol
Decrease Corticotropin
Decrease Cortisone
Decrease Dextran
Increase Eisen Plus
Increase Estrogens
Increase Fluorides
Increase Iron preparations
Increase Minodex
Increase Multivitamin; Therapeutic
Increase Oral Contraceptives
Decrease Steroids
Decrease Testosterone
increases Transferrin level (decrese Transferrin saturationa) Carbamazepine Transferrin saturation
decreases Transferrin level (increse Transferrin saturationa) Cortisone
increases Transferrin level (decrese Transferrin saturationa) Estrogens
increases Transferrin level (decrese Transferrin saturationa) Oral Contraceptives
(Heavy intake >2 wk) Decreae Alcohol Vitamin B12
Decreae Aminoglycosides
Decreae Aminosalicylic acid
Decreae Anti cancer drugs
Decreae Antibiotics
Decreae Aanticonvulsants
Decreae Antimalarials
Increase Chloral hydrate
Decreae Cholestyramine
Decreae Cimetidine
Decreae Colchicine
Decreae Diuretics
Increase Estrogens
(Extended release preparations) Decreae Potassium salts/supplements
Decreae Metformin
Decreae Methortrexate
Decreae Neomycin
Increase Omeprazole
Decreae Oral Contraceptives
Decreae Pentamidine
Decreae Phenformin
Decreae Phenobarbital
Decreae Phenytoin
Decreae Primidone
Decreae Pyrimethamine
Decreae Ranitidine
Decreae Rifampin
Decreae Triamterene
Increase Vitamin A
Increase Vitamin C
Decreae Vitamin C