Penlac Side Effects
Generic Name: ciclopirox topical
Note: This page contains side effects data for the generic drug ciclopirox topical. It is possible that some of the dosage forms included below may not apply to the brand name Penlac.
For the Consumer
Applies to ciclopirox topical: topical cream, topical gel/jelly, topical lotion, topical powder, topical shampoo, topical solution, topical suspension
As well as its needed effects, ciclopirox topical (the active ingredient contained in Penlac) may cause unwanted side effects that require medical attention.
If any of the following side effects occur while taking ciclopirox topical, check with your doctor or nurse as soon as possible:Less common - with ciclopirox shampoo
- fast, pounding, or irregular heartbeat or pulse
- Burning, itching, redness, swelling, or other signs of irritation not present before use of this medicine
Some ciclopirox topical side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:Less common - with ciclopirox shampoo
- itching skin or scalp
- oily skin
- skin disorder
For Healthcare Professionals
Applies to ciclopirox topical: compounding powder, topical cream, topical gel, topical kit, topical lotion, topical shampoo, topical solution, topical suspension
Nervous system side effects associated with the use of ciclopirox shampoo have included headache.[Ref]
Cardiovascular side effects associated with ciclopirox shampoo have included ventricular tachycardia.[Ref]
Dermatologic side effects have included irritation, itching, erythema, and burning in 1% to 4% of treated patients. Seborrhea was the most common cause of early termination in subjects being treated with the shampoo. The shampoo has also been associated with rash and skin disorder. The topical nail solution has been associated with periungul erythema (1%) and proximal nail fold erythema, nail shape change, irritation, ingrown toenail, and nail discoloration.[Ref]
Metabolic side effects associated with the topical nail solution have included 1 case of elevated creatine phosphokinase.[Ref]
1. "Product Information. Loprox (ciclopirox)." Hoechst Marion-Roussel Inc, Kansas City, MO.
2. "Product Information. Penlac Nail Lacquer (ciclopirox topical)." Aventis Pharmaceuticals, Collegeville, PA.
It is possible that some side effects of Penlac may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
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