Most hives disappear within a day or so, often without treatment, or they may come and ... H1 antihistamines such as diphenhydramine (Benadryl). Importantly, the dose can be increased when itch ...

Medically reviewed by Daniel More, MD Pictures of hives, also known as urticaria, can help you to identify these raised, red, ...

For patients with symptomatic chronic spontaneous urticaria after treatment with second-generation H1-antihistamines ...