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Sel-Pen Blue Side Effects

Generic name: selenium sulfide topical

Medically reviewed by Drugs.com. Last updated on Aug 6, 2022.

Note: This document contains side effect information about selenium sulfide topical. Some dosage forms listed on this page may not apply to the brand name Sel-Pen Blue.

Applies to selenium sulfide topical: topical foam, topical lotion, topical shampoo.

Serious side effects of Sel-Pen Blue

Along with its needed effects, selenium sulfide topical (the active ingredient contained in Sel-Pen Blue) 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 selenium sulfide topical:

Less common or rare

  • Skin irritation

Other side effects of Sel-Pen Blue

Some side effects of selenium sulfide 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:

More common

  • Unusual dryness or oiliness of hair or scalp

Less common

For Healthcare Professionals

Applies to selenium sulfide topical: compounding powder, topical foam, topical lotion, topical shampoo.

Dermatologic

Dermatologic side effects including skin irritation, increased hair loss, and discoloration of hair have been reported.[Ref]

Discoloration of hair can be avoided or minimized by thoroughly rinsing hair after treatment.[Ref]

More about Sel-Pen Blue (selenium sulfide topical)

Patient resources

Other brands

Selsun Blue, Selsun Blue Medicated, SelRx, Dandrex, ... +3 more

Professional resources

Related treatment guides

References

1. "Product Information. Selseb (selenium sulfide topical)." Doak Dermatologics Division (2005):

2. "Product Information. Selsun Blue Moisturizing Treatment (selenium sulfide topical)." Ross Product Division Pharmaceuticals (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.