Your Side Effects May IncludeTerbinafine side effects
This side effect is printed on the FDA label for Terbinafine. It was a question in our daily quiz, where you pick the real side effect from four choices.
Losing your sense of smell
A pill for toenail fungus can take your sense of smell with it, sometimes for a long time.
From the FDA label
“Smell disturbance, including loss of smell, has been reported with the use of terbinafine tablets.”
Terbinafine label, updated Aug 5, 2026 ·
Read the full label on DailyMed
What to watch for
Tell your doctor about any change in smell or taste right away.
363 reports to the FDA's adverse event system mention loss of smell or taste. A report is not proof the drug caused it. See the query
From quiz No. 4 · September 28, 2026 · Play that quiz →
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Not medical advice. Don't stop or start a medication because of a quiz. Talk to your doctor or pharmacist. Label text and report counts from openFDA. Not affiliated with any drug maker.