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Angioedema acute hypersensitivity reaction to injectable hyaluronic acid.
BACKGROUNDInjectable hyaluronic acid was introduced to European markets in 1996 and has demonstrated a high safety profile. We describe the first reported case of angioedema-type hypersensitivity following injection of the upper lip with non-animal-stabilized hyaluronic acid (NASHA) gel.
OBJECTIVETo report a case and discuss a potential mechanism for and treatment of angioedema-type hypersensitivity following injection with NASHA gel into the upper lip.
METHODS AND MATERIALSNot applicable.
CONCLUSIONAlthough injectable hyaluronic acid has a high safety profile, this reaction is dramatic. Treatments and potential mechanisms are discussed.
Pub Type(s)Case Reports