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Dapsone hypersensitivity syndrome: a clinico-epidemiological review
Sudha Agrawal1, Arun Agarwalla
1Department of Dermatology and Venereology, B.P. Koirala Institute of Health Sciences, Dharan, Nepal.
The Journal of Dermatology
|December 20, 2005
Summary
Dapsone hypersensitivity syndrome is a rare but serious adverse reaction to dapsone, a leprosy treatment. Early recognition and awareness are crucial for managing this potentially fatal condition.
Area of Science:
- Dermatology
- Pharmacology
- Internal Medicine
Background:
- Diaminodiphenyl sulfone (dapsone) is a key treatment for leprosy and various dermatoses.
- Dapsone hypersensitivity syndrome (DHS) is a rare but severe adverse drug reaction.
- DHS presents with systemic symptoms including fever, rash, lymphadenopathy, and liver involvement.
Purpose of the Study:
- To investigate the clinical profile, outcomes, and prognosis of patients with dapsone hypersensitivity syndrome.
- To highlight the importance of recognizing DHS in patients treated with dapsone.
Main Methods:
- A retrospective study of 26 patients diagnosed with dapsone hypersensitivity syndrome.
- Analysis of clinical manifestations, laboratory findings, and treatment outcomes.
Main Results:
- The majority of patients received dapsone for leprosy.
- Exfoliative dermatitis was the most common skin manifestation, accompanied by fever, itching, jaundice, and hepatomegaly.
- Laboratory findings frequently included elevated liver enzymes, elevated ESR, raised bilirubin, and leukocytosis.
Conclusions:
- Dapsone hypersensitivity syndrome is a significant cause of morbidity and mortality.
- Prompt medical awareness and diagnosis are essential for effective management and improved patient outcomes.
- Despite a generally favorable outcome, hepatic failure can lead to fatal complications.