label: progestogen hypersensitivity
label_lc: progestogen hypersensitivity
description: Progestogen hypersensitivity (PH), also referred to as autoimmune progesterone dermatitis (APD), is a rare immediate or delayed hypersensitivity reaction to endogenous progesterone and/or synthetic progestins characterized by diverse cutaneous manifestations, bronchospasm, and/or anaphylaxis.