The condition is usually idiopathic or due to drug reaction to ACE inhibitors, aspirin, or NSAIDs. Hereditary angioedema is a rare autosomal dominant condition with a prevalence of 1:10,000 to 1: ...

Chronic urticaria occurs in about 0.1% of the population (Greaves, 2000). Patients previously classified as having chronic idiopathic or "ordinary" urticaria are now divided into two groups ...

These quiz questions about chronic idiopathic urticaria (CIU) are derived from current literature. Are you up to date? At the end of the quiz, compare your score with those of your physician ...

Two other types of hives -- "chronic spontaneous urticaria" and "chronic idiopathic urticaria" -- come and go for 6 weeks or ...