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ZNP Bar Side Effects

Generic name: pyrithione zinc topical

Medically reviewed by Last updated on May 24, 2022.

Note: This document contains side effect information about pyrithione zinc topical. Some of the dosage forms listed on this page may not apply to the brand name ZNP Bar.

For the Consumer

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

Side effects requiring immediate medical attention

Along with its needed effects, pyrithione zinc topical (the active ingredient contained in ZNP Bar) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur while taking pyrithione zinc topical:

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]

More about ZNP Bar (pyrithione zinc topical)

Patient resources

Other brands

Dermazinc, Head & Shoulders, Zincon, DHS Zinc, ... +6 more

Related treatment guides


1. "Product Information. Dermazinc (pyrithione zinc topical)." Dermalogix Partners Inc (2005):

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.