Drug reference

dapsone

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Anti Bacterial (Anti Leprosy)

Mechanism of action

Sulfone; prevents normal bacterial utilization of para-aminobenzoic acid (PABA) for the synthesis of folic acid by acting as a competitive antagonist of PABA; it is bactericidal and bacteriostatic against Mycobacterium leprae

Common side effects

  • Insomnia
  • Headache
  • Hemolysis
  • Methemoglobinemia

Contraindications

  • Hypersensitivity to drug or component

Related conditions

Frequently asked questions

What drug class is dapsone?

dapsone belongs to: Anti Bacterial.

How does dapsone work?

Sulfone; prevents normal bacterial utilization of para-aminobenzoic acid (PABA) for the synthesis of folic acid by acting as a competitive antagonist of PABA; it is bactericidal and bacteriostatic against Mycobacterium leprae

What are the common side effects of dapsone?

Insomnia, Headache, Hemolysis, Methemoglobinemia

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