Description and Brand Names

Drug information provided by: Micromedex


Dapsone , a sulfone, belongs to the family of medicines called anti-infectives.

Dapsone is used to treat leprosy (Hansen's disease) and to help control dermatitis herpetiformis, a skin problem. When it is used to treat leprosy, dapsone may be given with one or more other medicines. Dapsone may also be used for other conditions as determined by your doctor.

Dapsone is available only with your doctor's prescription.

Once a medicine has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems. Although these uses are not specifically included in product labeling, dapsone is used in certain patients with the following medical conditions:

  • Actinomycotic mycetoma
  • Granuloma annulare
  • Malaria (prevention of)
  • Pemphigoid
  • Pneumocystis carinii pneumonia
  • Pyoderma gangrenosum
  • Relapsing polychondritis
  • Subcorneal pustular dermatosis
  • Systemic lupus erythematosus

For patients taking this medicine for Pneumocystis carinii pneumonia (PCP):

  • To help clear up PCP completely or to keep it from coming back, it is very important that you keep taking this medicine for the full time of treatment.
  • If you miss a dose of this medicine, take it as soon as possible. This will help keep a constant amount of medicine in the blood. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
  • If your symptoms do not improve within 1 week, or if they become worse, check with your doctor.

This product is available in the following dosage forms:

  • Tablet