Angioedema After Squaric Acid Treatment in a 6-Year-Old Girl

October 2016 in “ Pediatric Dermatology ”

Chen Chen, Valerie M. Carlberg, Daniela Kroshinsky

alopecia areata angioedema squaric acid dibutylester topical sensitizer hair regrowth AA SADBE

TLDR A 6-year-old girl had a rare allergic reaction to a hair regrowth treatment.

A 6-year-old girl with alopecia areata (AA) developed angioedema after treatment with squaric acid dibutylester (SADBE), a topical sensitizer commonly used for AA due to its low side-effect profile and potential for hair regrowth. This case highlighted a rare adverse reaction to SADBE, emphasizing the need for awareness and monitoring of potential side effects in pediatric patients undergoing this treatment.

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