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Angioedema After Squaric Acid Treatment in a 6-Year-Old Girl
Chen Amy Chen1, Valerie Carlberg1,2, Daniela Kroshinsky1,2
1Harvard Medical School, Boston, Massachusetts.
Abstract:
Alopecia areata (AA) involves the immune-related destruction of hair follicles, resulting in patches of complete hair loss, most often on the scalp. The topical sensitizer squaric acid dibutylester (SADBE) is a popular treatment option given its low side-effect profile, hair regrowth potential, and lack of cross-reactivity with other chemicals. We describe a unique case of a 6-year-old girl who developed angioedema after SADBE treatment for AA.
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