Diseases and Conditions
Hives and angioedema
Overview
Symptoms
Causes
Risk factors
Complications
Prevention
Diagnosis
Treatment
Lifestyle and home remedies
Preparing for an appointment
Diagnosis
Your doctor will examine any welts or areas of swelling and take a careful medical history to identify possible causes of your signs and symptoms. In some cases, you may be asked to undergo a skin-prick allergy test or other tests.