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Medications and Drugs

Brand Names:

Generic Name: dapsone (Pronunciation: DAP sone)

What is dapsone ()?

Dapsone is an antiinfective medication.

Dapsone is used in the treatment of dermatitis herpetiformis (a skin condition) and leprosy (Hansen's disease).

Dapsone may also be used for purposes other than those listed in this medication guide.

Dapsone 100 mg

round, white, imprinted with JACOBUS, 100 101

Dapsone 25 mg

round, white, imprinted with JACOBUS, 25 102

What are the possible side effects of dapsone ()?

In rare cases, dapsone has been associated with serious, and sometimes fatal blood and/or liver problems. Contact your doctor immediately if you experience a sore throat, fever, pale skin, bruising or pinpoint red spots on the skin, or yellowing of the skin or eyes. These may be symptoms of blood or liver problems.

Contact your doctor immediately if you develop a rash while taking dapsone. In rare cases, dapsone has been associated with serious, and sometimes fatal, skin reactions.

If you experience any of the following serious side effects, seek emergency medical attention or contact your doctor immediately:

  • an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
  • bluish skin color;
  • muscle weakness;
  • numbness or tingling;
  • abdominal pain;
  • difficulty breathing;
  • dark colored urine or pale colored stools; or
  • unusual tiredness.

Other, less serious side effects may be more likely to occur. Notify your doctor if you experience

  • nausea or vomiting;
  • blurred vision;
  • ringing in the ears;
  • headache;
  • insomnia; or
  • increased sensitivity of the skin to sunlight.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about dapsone ()?

In rare cases, dapsone has been associated with serious, and sometimes fatal blood and liver problems. Contact your doctor immediately if you experience a sore throat, fever, pale skin, bruising or pinpoint red spots on the skin, or yellowing of the skin or eyes. These may be symptoms of blood or liver problems.

Contact your doctor immediately if you develop a rash while taking dapsone. In rare cases, dapsone has been associated with serious, and sometimes fatal, skin reactions.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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