Chronic urticaria: an unusual initial manifestation of primary hyperparathyroidism.

Objective: To discuss the rare association between primary hyperparathyroidism and chronic urticaria.

Methods: A case report with clinical and laboratory details is presented, and the pertinent literature is reviewed.

Results: A 29-year-old patient with chronic urticaria for more than 2 years, which was partially responsive to medical treatment, was found to have primary hyperparathyroidism.