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Sulpho-Lac Side Effects

Generic name: sulfur topical

Medically reviewed by Last updated on Oct 18, 2023.

Note: This document contains side effect information about sulfur topical. Some dosage forms listed on this page may not apply to the brand name Sulpho-Lac.

Applies to sulfur topical: topical lotion, topical soap.

Serious side effects of Sulpho-Lac

Along with its needed effects, sulfur topical (the active ingredient contained in Sulpho-Lac) 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 sulfur topical:

Other side effects of Sulpho-Lac

Some side effects of sulfur topical may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

For Healthcare Professionals

Applies to sulfur topical: compounding powder, topical cream, topical lotion, topical shampoo, topical soap.


Dermatologic side effects including skin irritation, redness, and peeling have been reported.[Ref]


1. (2005) "Product Information. Fostril (sulfur topical)." Bristol-Myers Squibb

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.