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   Are hives a rash?

   • A rash is a skin condition that involves something out of the ordinary, like spots, swelling, itchiness or redness. Hives is an example of a rash, but not all rashes are hives. Who is affected by hives?

   Hives: Causes, Symptoms, Diagnosis, Treatment & Prevention

   my.clevelandclinic.org/health/diseases/8630-hives

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   Can allergies cause hives?

   • Mild cases of hives caused by allergies are typically treated with long- or short-term allergy medications and avoidance of the trigger. Anaphylaxis is a severe, life threatening allergic reaction. In this condition, hives are often accompanied by breathing difficulties, nausea or vomiting, severe swelling, and dizziness.

   Hives: Causes, Risks, Prevention, and Pictures - Healthline

   www.healthline.com/health/hives

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   Can bacterial infections cause hives?

   • Both viral and bacterial infections can cause hives. Common bacterial infections causing hives include urinary tract infections and strep throat. Viruses that cause infectious mononucleosis (mono), hepatitis, and colds often cause hives. The first step in getting treatment is to figure out if you actually have hives.

   Hives: Causes, Risks, Prevention, and Pictures - Healthline

   www.healthline.com/health/hives

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2. my.clevelandclinic.org › health › diseasesHives: Causes, Symptoms, Diagnosis, Treatment & Prevention

   my.clevelandclinic.org › health › diseases

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   Oct 14, 2022 · What causes hives? Causes of acute hives. Acute hives are often an allergic reaction to something you put into your body, like food, drink or medication, or something that you touch. The skin has immune cells called mast cells. When these cells go into action, they release chemicals, including one called histamine. Histamine is the reason that ...

3. 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....

4. www.mayoclinic.org › symptoms-causes › syc-20352719Chronic hives - Symptoms and causes - Mayo Clinic

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   Apr 25, 2023 · 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. The welts often start as itchy patches that turn into swollen welts that vary in size.

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

   www.healthline.com › health › hives

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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) problem...

   • Are hives contagious?

     No, hives are not contagious and can't spread from one person to another.
   • Do hives mean I'm allergic to something?

     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...
   • How long do hives last?

     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...
   • Are there any home remedies for hives?

     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...

6. 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.

7. www.medicalnewstoday.com › articles › 157260Hives (urticaria): Causes, pictures, and treatments

   www.medicalnewstoday.com › articles › 157260

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   Jan 3, 2024 · Pictures. Causes. Symptoms. Affected areas. Treatment. Hives and stress. Diagnosis. FAQ. Takeaway. Hives, or urticaria, can occur for many reasons, such as exposure to an allergen or a physical...

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

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   Sep 28, 2021 · 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) When hives are due to an allergic reaction, it’s often an allergy to: A food. Bug bite or sting. Latex. Medication. Pet dander. Plant. Pollen.