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1. www.webmd.com › skin-problems-and-treatments › hivesHives - Symptoms, Causes, & Treatment - WebMD

   www.webmd.com › skin-problems-and-treatments › hives

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   Mar 16, 2024 · Hives Causes. There are several types of hives, including: Acute urticaria. These are hives that last less than 6 weeks. The most common causes are foods, medications, and infections....

2. www.healthline.com › health › hivesHives: Causes, Risks, Prevention, and Pictures - Healthline

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   Jul 18, 2023 · In most cases, hives are caused by an allergic reaction to a medication or food or are a reaction to an irritant in the environment. In many cases, hives are an acute (temporary)...

   • No, hives are not contagious and can't spread from one person to another.
   • In many cases, hives are the result of an allergic reaction to something you have been exposed to, such as certain medications or pollen. It could...
   • A hives outbreak can last anywhere from several hours to up to a week or two. If the hives are the result of an allergic reaction, they may last lo...
   • Yes, there are several home remedies that may help alleviate the symptoms of hives. Taking an antihistamine is one option, as well as taking a cool...

3. www.mayoclinic.org › diseases-conditions › hives-andHives and angioedema - Symptoms and causes - Mayo Clinic

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   Oct 27, 2023 · Hives — also known as urticaria (ur-tih-KAR-e-uh) — is a skin reaction that causes itchy welts that range in size from small spots to large blotches. Hives can be triggered by many situations and substances, including certain foods and medications. Angioedema can arise with hives or alone.

4. www.aad.org › public › diseasesHives: Causes - American Academy of Dermatology

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   Sep 28, 2021 · A to Z diseases. Hives: Causes. Advertisement. Hives: Causes. What causes hives? Hives are often-itchy bumps and raised patches that develop when the body releases histamine. Your body stores histamine inside cells. When your immune system recognizes a threat, it releases histamine and other chemicals.

5. www.aad.org › public › diseasesHives: Overview - American Academy of Dermatology

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   Sep 16, 2020 · Advertisement. Hives: Overview. What are hives? This is a skin reaction that causes bumps, raised patches, or both to suddenly appear on the skin. The bumps and raised patches are often itchy and may look swollen. The medical name for hives is urticaria. Are hives contagious?

6. www.aad.org › public › diseasesHives: Signs and symptoms - American Academy of Dermatology

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   Sep 28, 2021 · Hives cause raised, visible, and often itchy welts on the skin, mucous membranes (described above), or both. Hives can develop at any age. It is a common disease in children. What do hives look like on the skin? These itchy welts can appear on the skin in many ways, as the following pictures of hives show. Hives develop in batches.

7. acaai.org › allergic-conditions › skin-allergyHives (Urticaria) | Causes, Symptoms & Treatment

   acaai.org › allergic-conditions › skin-allergy

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   Overview. If you’ve had red or skin-colored bumps that appeared and disappeared quickly, then it’s unlikely to be simple bug bites. The skin rash could be hives, and the itching from hives may range from mild to severe. Hives, also known as urticaria, affects about 20 percent of people at some time during their lives.