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ZNP Shampoo Side Effects

Generic Name: pyrithione zinc topical

Note: This page contains side effects data for the generic drug pyrithione zinc topical. It is possible that some of the dosage forms included below may not apply to the brand name ZNP Shampoo.

For the Consumer

Applies to pyrithione zinc topical: topical bar, topical cream, topical lotion, topical shampoo, topical soap, topical solution, topical spray

As well as its needed effects, pyrithione zinc topical (the active ingredient contained in ZNP Shampoo) may cause unwanted side effects that require medical attention.

Severity: Moderate

If any of the following side effects occur while taking pyrithione zinc topical, check with your doctor or nurse as soon as possible:

Less common or rare:
  • Irritation of skin

For Healthcare Professionals

Applies to pyrithione zinc topical: topical bar, topical shampoo, topical spray


Dermatologic side effects including skin irritation have rarely been reported.[Ref]


1. "Product Information. Dermazinc (pyrithione zinc topical)." Dermalogix Partners Inc, Scarborough, ME.

It is possible that some side effects of ZNP Shampoo may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.