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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 cold, hay fever isn't caused by a virus. Hay fever is caused by an allergic response to a harmless outdoor or indoor substance the body identifies as harmful (allergen).
Nov 9, 2024 · The most common symptoms of drug allergy are hives, rash and fever. But a drug allergy also may cause serious reactions. This includes a severe, life-threatening condition known as anaphylaxis.
Aug 24, 2024 · Anaphylaxis. If you have severe allergies, that raises your risk of this serious allergic reaction. Foods, medicines, latex and insect stings are the most common triggers of anaphylaxis. Asthma. If you have an allergy, you're more likely to have asthma. Asthma is an immune system reaction that affects the airways and breathing.
Aug 24, 2024 · Living with allergies? Connect with others like you for support and answers to your questions in the Asthma & Allergy support group on Mayo Clinic Connect, a patient community.
Aug 24, 2024 · Living with allergies? Connect with others like you for support and answers to your questions in the Asthma & Allergy support group on Mayo Clinic Connect, a patient community.
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 stings. Anaphylaxis causes the immune system to release a flood of chemicals that can cause you to go into shock — blood pressure drops suddenly and the airways narrow, blocking breathing. Signs and symptoms ...
Feb 28, 2024 · Seasonal allergies — also called hay fever and allergic rhinitis — can make you miserable. But before you settle for plastic flowers and artificial turf, try these simple strategies to keep seasonal allergies under control.
Feb 4, 2025 · The same substances that trigger your hay fever symptoms may cause asthma symptoms. These include pollen, dust mites and pet dander. In some people, skin or food allergies can cause asthma symptoms. This is called allergic asthma. James T C Li, M.D., Ph.D., a Mayo Clinic allergy specialist, answers questions about the link between allergies and ...
Aug 4, 2021 · Pet allergy signs and symptoms caused by inflammation of nasal passages include: Sneezing Runny nose Itchy, red or watery eyes Nasal congestion Itchy nose, roof of mouth or throat Postnasal drip Cough Facial pressure and pain Frequent awakening Swollen, blue-colored skin under your eyes In a child, frequent upward rubbing of the nose If your pet allergy contributes to asthma, you may also ...
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 allergy, medication (drug) allergy, latex allergy, primary immunodeficiency, chronic sinusitis, stinging insect allergy, eosinophil-associated diseases and other allergic responses.
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