Some people develop hives when they have an allergic reaction
- An allergic reaction.
- Overreaction to heat, sweat, or cold.
- Stress.
- Sunlight.
- Pressure on the skin (tight clothing, light touch of a purse strap, or scratching)
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Inflammation of the blood vessels, or vasculitis, can also cause hives. These hives are more painful than itchy, may leave a bruise on the skin and often last ...
Hives are raised, often itchy, red bumps (welts) on the surface of the skin. They can be an allergic reaction to food or medicine.
Hives can go away quickly (acute hives) or last a long time (chronic hives). Treatments may include antihistamines or steroids.
Apr 25, 2023 · Itchiness (pruritus), which can be intense. Painful swelling (angioedema) around the eyes, cheeks or lips. Flares triggered by heat, exercise ...
Mar 16, 2024 · These hives are caused by something that stimulates the skin — for example, cold, heat, sun exposure, vibration, pressure, sweating, or exercise ...
Hives are usually caused by an allergic reaction to something that you have encountered or swallowed. · In some people, histamines can cause swelling, itching, ...
Hives are raised, often itchy, red bumps (welts) on the surface of the skin. They can be an allergic reaction to food or medicine. They can also appear ...
May 29, 2023 · Causes of hives. Hives occur when histamine and other chemicals are released from under the skin's surface. This causes the tissues to swell.
Learn more about these common but short-lived skin conditions, their symptoms, causes and home remedies, and how to prevent them.