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 ...

Angioedema may or may not be accompanied by urticaria and can occur as either a hereditary or an acquired condition with the latter often being medication-related.

The patient reported no known drug allergies, unusual exposures, history of hypersensitivity, dermatologic reactions (i.e., atopy, angioedema, or urticaria), or history of seizures. On day 4 of ...