Urticaria (hives)
About Urticaria (hives)
A rash that is caused by fluid entering the skin after a localized release of histamine. An allergic reaction is the most common cause. Occasionally they are chronic and recurrent with no known inciting event. They occur singly and in groups and can affect the lips, eyes and other mucous membranes of the body as well as the skin.Symptoms
Rash consisting of batches of raised, red or white itchy welts. The welts vary in size and can appear and disappear quickly. Similar swelling and rash may appear in the eyes, mouth and vagina.Tests & Diagnostics
A history and physical exam will be performed. People with chronic urticaria will have blood tests to look for an underlying cause. Also allergy testing may be performed.OTC sleep aids and supportive treatments
Prescription medications
Conventional treatment summary
If the urticaria is due to one or more allergens, avoidance is the best way to reduce recurrences. Treatment includes antihistamines and corticosteroids. Severe acute cases may require epinephrine.Medical specialties
Internal Medicine · Dermatology · Pediatrics · Family Practice · Allergy and Immunology · Pediatric Allergy and Immunology · Pediatric Dermatology
This page is educational content, not medical advice. Always consult a qualified clinician for diagnosis and treatment of Urticaria (hives).