Stevens-Johnson综合征,又称重症型多形红斑,是一种严重的累及全身皮肤黏膜的少见疾病,其皮肤损害为对称性、水肿性红斑、水泡、大疱、血疱和淤斑等,广泛分布于身体各处,口腔、鼻、咽、眼、尿道、肛门和呼吸道等黏膜损害最为严重,甚至糜烂、 Stevens-Johnson syndrome, also known as severe erythema multiforme, is a rare systemic disease involving the mucosa of the rare disease, the skin damage is symmetrical, edematous erythema, blisters, bullous, blood blisters and ecchymosis, etc., Widely distributed throughout the body, mouth, nose, pharynx, eye, urethra, anus and respiratory tract and other mucosal damage is most serious, or even erosion,