Mayo Clinic Health Manager
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Get StartedChronic hives (urticaria)
In-Depth
Symptoms
- Hives and angioedema Hives and angioedema — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.
Tests and diagnosis
- Allergy skin tests Allergy skin tests — Overview covers definition, risks, results of tests for allergic sensitivities.
Treatments and drugs
- Prednisone and other corticosteroids: Balance the risks and benefits Prednisone and other corticosteroid pills, creams and injections can cause side effects.