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The potential symptoms of a food allergy include: [10] [5] Tingling/itching in the mouth; Swelling of the lips, tongue, face, throat, or other body parts; Hives, itching, or eczema; Abdominal pain, diarrhea, nausea, or vomiting; Anaphylaxis (life-threatening) Possible symptoms of a drug allergy include: [5] Hives; Itchy skin; Rash; Facial ...
Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [ 2 ] The patches of rash may appear on different body parts, [ 2 ] with variable duration from minutes to days, and do not leave any long-lasting skin change. [ 2 ]
Symptoms are thought to be the result of histamine being released by mast cells on the surface of the skin. Despite the lack of antigens , histamine causes the skin to swell in affected areas. If the membrane that surrounds the mast cells is too weak, it will easily and rapidly break down under physical pressure, which then causes an allergic ...
Diagnosis is based on the presenting symptoms and signs after exposure to a potential allergen or irritant and in some cases, reaction to physical exercise. [ 6 ] [ 1 ] The primary treatment of anaphylaxis is epinephrine injection into a muscle , intravenous fluids , then placing the person "in a reclining position with feet elevated to help ...
The histamine release causes allergy symptoms, such as hives. ... also help relieve the itching that comes with hives, Dr. Kim says. ... the diagnosis changes to chronic idiopathic urticaria ...
The most common symptoms of chronic spontaneous urticaria are angioedema and hives that are accompanied by itchiness. Chronic spontaneous urticaria, despite its cause being unknown, is linked to a higher prevalence of autoimmune diseases , and is often worsened by triggers like stress, infections, certain foods, or nonsteroidal anti ...