Urticaria is commonly associated with an allergy to food, medications, and other irritants. Stress, infection, autoimmune ...

About half of people with "chronic spontaneous urticaria," or CSU, the most common type of chronic hives, experience what ...

She also complained of occasional angioedema, usually at the same time as the hives. Multiple lab tests over the years had been unremarkable. Upon questioning the patient further, researchers ...

In more severe cases, the condition can also cause angioedema, a swelling of the tissues beneath the skin. This is a deeper swelling than hives and can be more painful. Both urticaria and ...