Many antibiotics and antifungals can affect warfarin levels

August 2012

Many antibiotics and antifungals can affect warfarin levels...putting patients at risk for bleeding or developing a clot.

You're probably used to seeing these computer alerts all the time.

The plethora of alerts stems from the fact that many antimicrobials affect how warfarin is broken down by the body.

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Table of Contents

Transdermal Patches the right way to use patches
Medication Errors You'll hear more about look-alike, sound-alike mishaps
Nausea & Vomiting the new antiemetic, Aloxi (ah-LOX-see, palonosetron), hit your pharmacy shelves
HIV & AIDS Truvada (emtricitabine/tenofovir) to PREVENT HIV infection in adults
Opioids avoiding overdoses when patients switch opioid pain medications (oxycodone, morphine, hydromorphone, etc)
Antithrombotics Many antibiotics and antifungals can affect warfarin levels
Contraceptives the risk of blood clots and heart attacks with hormonal contraceptives
Opioids Durela (dur-REHL-ah, tramadol) increases the chance for mix-ups among tramadol forms
Healthy Lifestyles questions about using DMAA as a workout booster
Antibiotics new oral antibiotic, Dificid (DIFF-ih-sid, fidaxomicin) for treating Clostridium difficile diarrhea
Combinations patients getting combinations of certain diabetes meds...Victoza with Onglyza, Byetta with Januvia, etc
Infections prevention and treatment of diabetic foot infections
Travel Medicine how to get medications through airport screening