There are many drug interactions with
coumadin but Zanax is not one of them. Of course with all medications your doctor and pharmacist should be aware of all drugs you are taking. Here is a list of some of the drugs that interact with
coumadin.
Known Drug interactions with
WarfarinWarfarin
Warfarin sodium
Increased Effect :
Highly Probable
Alcohol (if concomitant liver disease)
AmiodaroneAmiodarone
Amiodarone hydrochloride
Cimetadine
Clofibrate
Cotrimoxazole
Erythromycin
Fluconazole
Isoniazid
Metronidazole
Miconazole
Omeprazole
Phenylbutazone
Piroxicam
Propafenone
Propanolol
Sulfinpyrazone
Probable
Acetaminophen (Tylenol®)
Anabolic steroids
Aspirin
Chloral Hydrate
Ciprofloxacin
Dextropropoxyphene
Disulriam
Quinidine
Phenytoin (Dilantin®)
Simvastatin
Tamoxifen
Tetracycline
Influenza vaccine
Possible
Disopyramide
5-Fluorouracil
Ifosphamide
Lovastatin
Metolazone
Nalidixic Acid
Norfloxacin
Ofloxacin
Topical salicylates
Sulindac
Tometin
Doubtful
Cefamandole
Cefazolin
Gemfibrozil
Heparin
Indomethacin
Sulfisoxazole
Decreased Effect
Highly Probably
Barbiturates
Carbamazepine
Chlorodiazepoxide
Cholestyramine
Griseofulvin
Nafcillin
Rifampin
Sucralfate
Probable
Dicloxacillin
Possible
Azathioprine
Cyclosporine
Etrelinate
Trazodone
No Effect
Highly Probable
Alcohol (if no liver disease)
Antacids
Atenolol
Bumetanide
Diflunisal
Enoxacin
Famotidine
Felodipine
Fluoxetine
Ketorolac
Metoprolol
Moricizine
Naproxen
Nitrazepam
Nizatidine
Psyllium
Ranitidine
Probable
Ibuprofen
Ketoconazole
Ketoprofen
Doubtful
Diltiazem
Tobacco
Vancomycin