hexadecadienoic acid

Bullous pemphigoid is an autoimmune pruritic skin disease preferentially in older people, aged over 60, that may involve the formation of blisters (bullae) in the space between the epidermal and dermal skin layers. The disorder is a type of pemphigoid. It is classified as a type II hypersensitivity reaction, with the formation of anti-hemidesmosome antibodies.

Clinically, the earliest lesions may appear as a hives-like red raised rash, but could also appear dermatitic, targetoid, lichenoid, nodular, ...