This list does not necessarily include all brand names.
Dapsone is an antiinfective.
It is active against M. leprae, the bacterium that causes leprosy . When treating leprosy, it may be given in combination with other medications. Dapsone is also used in the treatment of dermatitis herpetiformis, although it is not known how it works for this condition. Take this medication for the full course of therapy, whether it is a short period or months or years. If treatment is stopped too soon, the leprosy may return.