Hives

Acute

What is Hives?

Hives — also called urticaria (ur-tih-KAR-e-uh) — is a skin reaction that causes itchy welts. 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.

  • Itching
  • Swelling of the surface of the skin into red- or skin-colored welts (called wheals) with clearly defined edges.
  • Wheals may get bigger, spread, and join together to form larger areas of flat, raised skin.
  • Wheals often change shape, disappear, and reappear within minutes or hours.
  • Anaphylaxis (a life-threatening, whole-body allergic reaction that causes breathing difficulty)
  • Swelling in the throat can lead to life-threatening airway blockage
  • 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.

Shellfish, fish, peanuts, tree nuts, soy, eggs and milk are frequent offenders. Medications. Many medications may cause hives or angioedema, including penicillins, aspirin, ibuprofen (Advil, Motrin IB, others), naproxen sodium (Aleve) and blood pressure medications. Airborne allergens

  • Avoid triggers. These can include foods, medications, pollen, pet dander, latex and insect stings. ...
  • Use an anti-itch drug available without a prescription. ...
  • Apply cold. ...
  • Take a comfortably cool bath. ...
  • Wear loose, smooth-textured cotton clothing. ...
  • Protect your skin from the sun.

How is it diagnosed?

How is it diagnosed?
  • Avoid triggers. These can include foods, medications, pollen, pet dander, latex and insect stings. ..
  • Use an anti-itch drug available without a prescription. ...
  • Apply cold. ...
  • Take a comfortably cool bath. ...
  • Wear loose, smooth-textured cotton clothing. ...
  • Protect your skin from the sun.

How is it treated?

Treatment for acute myeloid leukemia is vital. It varies with the patient and stage of the disease. Treatment options include

For milder hives, your dermatologist may prescribe a corticosteroid that you apply to your skin to help relieve the itch. Omalizumab: This is an injectable medication that you would use at home to treat chronic hives. It's prescribed when antihistamines fail to work

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