Common side effects of Penlac Nail Lacquer (ciclopirox) may include:
mild burning, itching, or redness.
The above side effects should not alarm you.
Serious side effects of Penlac Nail Lacquer (ciclopirox) may include:
unusual or severe itching, redness, burning, dryness, or irritation of treated skin; or
discoloration or other changes in the nails.
If you have any of the above side effects, contact your doctor right away.
Contact your doctor if you notice signs of…
allergic reaction: sneezing and an itchy, runny or blocked nose (allergic rhinitis), itchy, red, or watering eyes (conjunctivitis), wheezing, chest tightness, shortness of breath, cough, a raised itchy, red rash (hives) or swollen lips, tongue, eyes or face.