Both disorders are treated with corticosteroids: high dosages for giant cell arteritis (prednisone in a dosage of 40 to 60 mg per day) and lower dosages for polymyalgia rheumatica (prednisone in a dosage of 10 to 20 mg per day). Symptom relief in response to treatment is rapid and reinforces the diagnosis.
Benadryl is an antihistamine. Diphenhydramine blocks the effects of the naturally occurring chemical histamine in the body. Benadryl is used to treat sneezing; runny nose; itching, watery eyes; hives; rashes; itching; and other symptoms of allergies and the common cold. Benadryl is also used to suppress coughs, to treat motion sickness, to induce sleep, and to treat mild forms of Parkinson's disease.
If hives are widespread, using oral BENADRYL Â® products can also help relieve the swelling and itching (and therefore help prevent scratching). TIP: Avoid hot baths or showers and tight clothing during or just after an episode of hives. CALL THE DOCTOR IF: You have a severe reaction with swelling of the throat.ives are a common allergic reaction caused by the release of histamine and other chemicals into your bloodstream. (Also known as urticaria.). APPEARANCE: Itchy, red or skin-coloured welts that come and go over several days (unlike chicken pox or insect bites). When you press the center, they turn white.