Overall the incidence is 155 cases per 100,000 population, a frequency similar to urticaria or peptic ulcer.
Histamine, which is released by mast cells in persons with urticaria and other allergic reactions, classically is associated with pruritus.
Skin prick testing is conventionally used to investigate immediate type hypersensitivity to allergens in patients with urticaria , asthma, atopic eczema, and suspected food allergy.
Many sufferers of allergic rhinitis have other allergies such as eczema, urticaria , or asthma.
Antihistamine creams and tablets are both effective in reducing urticaria (hives or nettle rash), the itchy white bumps on the skin often caused by insect bites and stings.
There was no history of pruritus, urticaria , abdominal pain or swelling of other areas of the body.
At each interview, subjects were asked about the occurrence of allergic rhinitis, urticaria , eczema, asthma attacks, or asthmalike breathing problems in the last 12 months.
Antihistamines may be beneficial in the treatment of urticaria and other allergic causes of pruritus.
Patients who have seasonal allergic rhinitis and urticaria often use higher doses.
Rashes with purpura, urticaria , and subcutaneous nodules are common.