Antihistaminic drugs are the principal method of treatment for

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Urticaria, also called hives, appears as well-demarcated areas of swelling on the skin accompanied by pruritus. The release of the chemical mediator histamine causes the increased vascular permeability. Antihistaminic drugs are used to treat urticaria. Minor aphthous ulcers heal spontaneously in 7 to 10 days. They may be treated with topical corticosteroid or nonsteroidal antiinflammatory medications. Herpetiform aphthous ulcers do not respond to antihistaminic drugs. They may respond to corticosteroid therapy or topical liquid tetracycline. Contact mucositis results from direct contact of an allergen with the mucosa. Treatment begins with removal of the cause.

Antihistaminic Drugs Are the Principal Method of Treatment for