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  1. Allergies - Symptoms and causes - Mayo Clinic

    Aug 24, 2024 · Prevention Preventing allergic reactions depends on the type of allergy you have. General measures include the following: Stay away from known triggers. Do this even if you …

  2. Allergies - Diagnosis and treatment - Mayo Clinic

    Aug 24, 2024 · Often, this is the most important step in preventing allergic reactions and curbing symptoms. Medicines. Depending on your allergy, medicines can help turn down your immune …

  3. Allergic Diseases - Overview - Mayo Clinic

    Jun 4, 2020 · To help people with a wide range of allergic diseases, allergy specialists at Mayo Clinic locations offer comprehensive treatment for asthma, hay fever (allergic rhinitis), food …

  4. Anaphylaxis - Symptoms & causes - Mayo Clinic

    Apr 16, 2025 · Anaphylaxis is a severe, potentially life-threatening allergic reaction. It can occur within seconds or minutes of exposure to something you're allergic to, such as peanuts or bee …

  5. Food allergy - Symptoms and causes - Mayo Clinic

    Aug 30, 2024 · Overview Food allergy is an immune system reaction that happens soon after eating a certain food. Even a tiny amount of the allergy-causing food can trigger symptoms …

  6. Allergies - Doctors and departments - Mayo Clinic

    Aug 24, 2024 · Allergy symptoms can range from mild to severe, even life-threatening. Find out what treatments and prevention tips can help.

  7. Drug allergy - Symptoms and causes - Mayo Clinic

    Nov 9, 2024 · Overview A drug allergy is the reaction of the immune system to a medicine. Any medicine — over-the-counter, prescription or herbal — can trigger a drug allergy. However, a …

  8. Hay fever - Symptoms and causes - Mayo Clinic

    Aug 13, 2024 · Overview Hay fever, also called allergic rhinitis, causes cold-like symptoms. These may include a runny nose, itchy eyes, congestion, sneezing and sinus pressure. But unlike a …

  9. Milk allergy - Symptoms & causes - Mayo Clinic

    Sep 19, 2025 · An allergic reaction usually happens soon after you or your child consumes milk. Symptoms of milk allergy range from mild to severe and can include wheezing, vomiting, hives …

  10. Allergy medications: Know your options - Mayo Clinic

    Mar 28, 2025 · Allergy medicines are available as pills, liquids, inhalers, nasal sprays, eye drops, skin creams and shots, also called injections. Many allergy medicines are available without a …