Selenium Sulfide
Selenium sulfide is a topical antifungal medication primarily used to treat fungal infections of the skin, particularly tinea versicolor (pityriasis versicolor). It is also commonly found in medicated shampoos for treating dandruff and seborrheic dermatitis of the scalp. The medication works by reducing the growth of yeast on the skin's surface, helping to restore normal skin appearance and reduce associated symptoms like scaling and discoloration.
Selenium sulfide is a topical antifungal agent used to treat tinea versicolor, dandruff, and seborrheic dermatitis by reducing yeast growth on the skin.
Key facts at a glance
- ATC
- D01AE13
- RxNorm
- 9793
- Generic
- Selenium Sulfide
- Class
- atc-d01
- Brands
- SelRx, Head & Shoulders Clinical Strength, Dandrex, Selsun Blue, Tersi Foam
- Availability
- otc
- Pregnancy
- C
- Lactation
- caution
- Half-life (h)
- 0
- Onset (min)
- 0
- Duration (h)
- 0
- Routes
- topical
- Forms
- shampoo, lotion, foam
- Regions
- United States, Canada, United Kingdom, Australia, European Union
- Monitoring
- local skin irritation, hair discoloration
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Tinea versicolor (pityriasis versicolor), seborrheic dermatitis affecting the scalp or body, and dandruff. It helps relieve scaling, itching, and discoloration associated with these conditions.
Selenium sulfide is an antifungal and antiseborrheic agent that works by inhibiting the growth of Malassezia yeast (formerly known as Pityrosporum) on the skin surface. It also helps reduce skin cell turnover and excess oil production, addressing the underlying causes of flaking and scaling.
For topical use only; avoid contact with eyes, mucous membranes, and broken or inflamed skin. May bleach hair, eyebrows, and eyelashes as well as discolor jewelry. Should not be used during pregnancy or breastfeeding unless directed by a physician. Leave on the affected area for the prescribed time before rinsing, as directed by a healthcare provider.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy