Chronic spontaneous urticaria is an idiopathic syndrome defined by recurring itch, hives, or angioedema (or a combination of ...

Skin reactions can be alarming, especially when they appear suddenly. Many people struggle to tell the difference between ...

The severity of a patient’s chronic spontaneous urticaria impacted several outcomes, including quality of life and treatment satisfaction, according to results published in Annals of Allergy, Asthma ...

Some people may experience hives, also known as urticaria, just before or during their period. This is due to hormonal allergies from an increase in progesterone levels during menstruation.

Xyzal (levocetirizine) and Zyrtec (cetirizine) are over-the-counter (OTC) allergy medications. Learn about their key ...

Medically reviewed by Daniel More, MD Pictures of hives, also known as urticaria, can help you to identify these raised, red, ...