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Keywords:

  • allergens;
  • dermatology;
  • drug allergy;
  • immunologic tests

Abstract

Background

The pentavalent antimonials are considered the first-choice drugs for treatment of leishmaniasis. Intralesional therapy is used to minimize the systemic effects of the drug.

Methods

Seventy patients were treated with weekly intralesional infiltrations of Glucantime® (meglumine antimoniate) for cutaneous leishmaniasis. Nine of them had infiltrated itchy erythematous and vesiculous plaques at the injection sites. Cutaneous tests were undertaken in eight patients.

Results

Prick tests were negative and seven of the eight patients showed positive intradermal tests with Glucantime® dilutions reading at D2 and D4. Only one patient had positive patch test to Glucantime a.i. Local reactions at the site of injection have been briefly mentioned in some reported series of leishmaniasis treated with intralesional or intramuscular meglumine antimoniate but the mechanism has never been explained before.

Conclusions

We report the first series of patients with local reactions at the injection sites of meglumine antimoniate in whom type IV hypersensitivity could be involved.