which antibiotics are safe to use in patients on warfarin

March 2002

Please see updated information on this topic.

We're getting questions on which antibiotics are safe to use in patients on warfarin.

Dicloxacillin, griseofulvin, nafcillin, and rifampin can DECREASE warfarin's effectiveness by increasing its metabolism.

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Table of Contents

early, mild cases of rheumatoid arthritis should get more than just an NSAID
Cardiology More patients will be taking aspirin to prevent heart attacks
Cardiology whether statins cause memory problems
Smoking Cessation deaths in smokers taking Zyban (bupropion)
Gastroenterology Some patients with irritable bowel syndrome are begging the FDA to allow Lotronex (alosetron) back on the market
Gastroenterology treat H. pylori before starting chronic NSAIDs
using cholinesterase inhibitors for patients with VASCULAR dementia
Dermatology Sporanox (itraconazole) to PREVENT recurrent tinea versicolor
Dermatology Elidel, a new cream for eczema
"sudden sleep attacks" in Parkinson's patients while driving
Multiple sclerosis patients are hearing a lot about Prokarin
monitoring patients on antipsychotics for obesity, diabetes, and dyslipidemia
teens abusing Coricidin HBP Cough and Cold tablets
Finally we have a NATIONAL poison hotline, 800-222-1222
Anticoagulants new anticoagulant called Arixtra
Anticoagulants which antibiotics are safe to use in patients on warfarin
Renal & Urology Can patients with recurrent kidney stones take calcium