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contentuptodate· Content· item f14_51_15154

©2013 UpToDate ® Print Email Angioedema lip Angioedema is a diffuse, nonpitting, tense swelling of the dermis and subcutaneous tissue. It develops over minutes to hours, and resolves over subsequent hours or days. Angioedema typically does not itch, unless it is associated with urticaria. Reproduced with permission from: Neville B et al: Color Atlas of Clinical Oral Pathology. Philadelphia: Lea & Febiger, 1991. Copyright ©1991 Lippincott Williams & Wilkins.