Dapsone
Dapsone gel is a topical prescription medication used to treat acne vulgaris in patients 12 years and older. It contains dapsone, an antibacterial agent that helps reduce inflammatory acne lesions. The exact mechanism by which dapsone gel treats acne is not fully understood.
Dapsone gel is a topical antibacterial treatment for inflammatory acne vulgaris.
Key facts at a glance
- ATC
- D10AX05
- RxNorm
- 3108
- Generic
- Dapsone
- Class
- atc-d10
- Brands
- Aczone
- Availability
- rx
- Lactation
- unknown
- Routes
- topical, oral
- Forms
- gel, tablet
- Regions
- US, EU, CN, JP
- Monitoring
- —
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.
Dapsone gel is indicated for the topical treatment of acne vulgaris, particularly effective for inflammatory lesions such as papules and pustules.
Dapsone is a sulfone antibacterial agent with anti-inflammatory properties. While the precise mechanism for treating acne is unknown, it is believed to work through antibacterial activity and reduction of inflammatory responses in the skin.
For external use only; avoid contact with eyes, mouth, and mucous membranes. May cause dryness, redness, or peeling at the application site. Patients with G6PD deficiency should use with caution. Inform your healthcare provider of any sulfonamide (sulfa) allergies before use.
Official drug label
WellAlly may earn a referral fee from linked resources at no extra cost to you. Editorial content is never influenced by commercial relationships.
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 July 26, 2026. · Read our editorial policy