When it comes to managing your chronic hives (also called chronic urticaria), it can be difficult to identify the cause. The condition may be classified as idiopathic meaning the cause is unknown or ...

Hives, or urticaria, is a skin condition that causes itching and raised bumps on your skin. Certain fruits may trigger a reaction.

Autoimmune hives (urticaria) are a type of rash caused by an overactive immune system that attacks healthy skin. It may be associated with an autoimmune condition, such as autoimmune thyroid disease.

— meaning the cause is unknown — or it could be prompted by a variety of factors that combine and make hives linger. Unlike acute hives, a condition that lasts for short periods and tends to be ...