Serious side effects have been reported with Penlac.
Common side effects of Penlac include redness of the skin and a burning sensation near site of use.
Tell your doctor if you have any side effect that bothers you or that does not go away.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Penlac is a prescription medication used to treat fungal infections of the fingernails and toenails.
Penlac (generic: ciclopirox) is a prescription medication used to treat fungal infections of the fingernails and toenails. Penlac belongs to a group of drugs called antifungals, which work by stopping the growth of fungus.
This medication comes in topical solution form and is applied to the affected nail once daily, at night or 8 hours before washing. Avoid contact with eyes and mucous membranes.