what to do when an antimicrobial is prescribed with warfarin

February 2009

Winter infections will bring up questions about what to do when an antimicrobial is prescribed with warfarin.

Some antibiotics are more likely than others to affect INR... due to a direct effect on warfarin metabolism.

Warfarin's effect can be INCREASED with metronidazole... macrolides... quinolones... sulfonamides... and azoles.

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Table of Contents

Using Tamiflu ALONE may not work for this year's flu
New Drugs New Drugs Approved in '08
Psychiatry how Pristiq compares to venlafaxine (Effexor XR, etc)
Substance Use Disorder Instant cold packs are now being used to make methamphetamine
Diabetes Patients with diabetes are asking if they should STOP taking a daily aspirin
Gastroenterology which bowel prep to use now that most of the OTC sodium phosphate solutions are off the shelves
Infectious Diseases new extended-release amoxicillin called Moxatag (MOCKS-a-tag) for treating strep throat
Supplements People are getting lithium in the form of lithium orotate without a prescription
Interactions what to do when an antimicrobial is prescribed with warfarin
Supplements risks of using some supplements before or after surgery
Rheumatoid Arthritis more aggressive use of disease-modifying antirheumatic drugs (DMARDs) for rheumatoid arthritis
Dyslipidemia Trilipix (try-LIP-iks) launch is bringing up questions about the appropriate use of fibrates with statins
Practice Fraud Waste & Abuse training