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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 · Treatment Allergy treatments include: Staying away from allergy triggers, also known as avoidance. Your healthcare professional helps you take steps to spot and stay away …

  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. 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 …

  8. 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 …

  9. 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 …

  10. Contact dermatitis - Symptoms and causes - Mayo Clinic

    May 2, 2024 · Contact dermatitis is an itchy rash caused by direct contact with a substance or an allergic reaction to it. The rash isn't contagious, but it can be very uncomfortable. Many …