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Hives may also develop as a result of:
  • Emotional stress.
  • Extreme cold or sun exposure.
  • Excessive perspiration.
  • Illness, including lupus, other autoimmune diseases, and leukemia.
  • Infections such as mononucleosis.
  • Exercise.
  • Exposure to water.
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Apr 25, 2023 · Chronic hives are welts that last for more than six weeks and return often over months or years. Often, the cause of chronic hives isn't clear.
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Mar 16, 2024 · Physical urticaria. These hives are caused by something that stimulates the skin — for example, cold, heat, sun exposure, vibration, pressure, ...
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Nov 21, 2023 · Hives, or urticaria, can occur for many reasons, such as exposure to an allergen or a physical trigger, like pressure from tight clothing.
Oct 27, 2023 · Hives can be triggered by many situations and substances, including certain foods and medications. Angioedema can arise with hives or alone.
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.