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  1. Food allergy vs. food intolerance: What's the difference?

    Feb 28, 2024 · What's the difference between a food intolerance and a food allergy? Physical reactions to certain foods are common, but most are caused by a food intolerance rather than a food allergy. A …

  2. Milk allergy - Symptoms & causes - Mayo Clinic

    Sep 19, 2025 · Milk allergy or milk intolerance? A true milk allergy differs from milk protein intolerance and lactose intolerance. Unlike milk allergy, intolerance doesn't involve the immune system. Milk …

  3. 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 prescription. …

  4. Wheat allergy - Symptoms & causes - Mayo Clinic

    Sep 19, 2025 · Learn about the causes, symptoms and treatment of wheat allergy and how they differ from those of celiac disease. Managing either condition means avoiding wheat.

  5. Allergies and asthma: They often occur together - Mayo Clinic

    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 …

  6. Food allergy - Symptoms and causes - Mayo Clinic

    Aug 30, 2024 · Food allergy affects an estimated 8% of children under age 5 and up to 4% of adults. While there's no cure, some children outgrow their food allergies as they get older. It's easy to …

  7. Lactose intolerance - Symptoms & causes - Mayo Clinic

    Sep 22, 2025 · Lactose intolerance is a condition that makes it hard to digest the sugar in milk and milk products, called lactose. People with lactose intolerance often have diarrhea, gas and bloating after …

  8. Celiac disease - Symptoms and causes - Mayo Clinic

    Jul 30, 2025 · Celiac disease is an autoimmune condition where the immune system reacts to gluten, sometimes causing damage to the small intestine. Gluten is a protein found in foods containing …

  9. Cold or allergy: Which is it? - Mayo Clinic

    Feb 13, 2024 · You can tell the difference between a cold and a seasonal allergy by key symptoms and how regularly symptoms appear. Colds are caused by your immune system's response when you …

  10. 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 drug allergy is …