Patients previously classified as having chronic idiopathic or "ordinary" urticaria are now divided into two groups: 40% to 50% with chronic autoimmune urticaria (CAU) and the remainder with ...

Medically reviewed by Daniel More, MD Hives (urticaria) are a common skin reaction that causes bumps, raised patches, or both ...

Medically reviewed by Brendan Camp, MD Hives and eczema are two of the most common skin disorders. Hives, clinically known as ...

The patient stated the urticaria began at age 12 ... the patient was diagnosed with autoimmune progesterone dermatitis. The patient was started on a GnRH agonist (nafarelin acetate nasal spray ...