NOT SO "HAPPY BUMP": A complication due to hyaluronic acid.

Laila Klotz de Almeida BalassianoFernanda A CavallieriGabriela MunhozMaria Fernanda TembraMárcia Ramos-E-Silva

Published in: Journal of cosmetic dermatology (2022)

The authors propose the nomenclature "happy bump" to group adverse reactions to HA that translate into noninflammatory nodules, with a stony consistency, appearing up to 4 weeks (recent) or after one month (late) in sites previously treated with AH.

Keyphrases

hyaluronic acid
gestational age
emergency department
adverse drug
preterm birth
electronic health record