Risks of oral antifungal medications

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Risks of oral antifungal medications

Before you decide to take an oral antifungal medication to treat a fungal infection such as athlete's foot or a fungal nail infection, you and your health professional will want to consider the possible risks. Depending on the medication and your particular risk factors, some antifungal medications may:

Affect liver or kidney function.
Cause liver damage or failure, particularly when combined with alcohol or certain medications.
Weaken the heart's ability to contract, leading to heart failure.¹
Cause dangerous side effects when combined with many different common medications.

During oral antifungal treatment, your health professional may require blood tests to check your kidney and liver function.

Possible mild side effects caused by antifungal medications include stomach upset, headaches, and skin rash.

References

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Citations
U.S. Food and Drug Administration (2001). FDA issues health advisory regarding the safety of Sporanox products and Lamisil tablets to treat fungal nail infections. FDA Talk Paper T01-22. Available online: http://www.fda.gov/bbs/topics/answers/2001/ans01083.html.

Credits

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Author	Maria G. Essig, MS, ELS
Editor	Susan Van Houten, RN, BSN, MBA
Associate Editor	Pat Truman, MATC
Primary Medical Reviewer	Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer	Alexander H. Murray, MD, FRCPC - Dermatology
Last Updated	July 24, 2008

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Last updated:	July 24, 2008
Author:	Maria G. Essig, MS, ELS
Reviewed By:	Kathleen Romito, MD - Family Medicine, Alexander H. Murray, MD, FRCPC - Dermatology
Editors:	Susan Van Houten, RN, BSN, MBA, Pat Truman, MATC

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