Allegy Test Results Can Be Confusing If You Do Them At Home

Find out about allergies, including typical symptoms, common allergies, when to get emergency medical help and allergy testing and treatments. Feb 17, 2025 · Allergies are the body's response to a substance called an allergen. Allergens themselves aren't harmful but in some people they can provoke a reaction. Apr 1, 2025 · Allergies happen when your immune system overreacts to something that’s not harmful — like pollen, pet dander and certain foods. Symptoms can be mild to severe. Jul 7, 2025 · An allergy is an immune system response to a foreign substance that’s not typically harmful to your body. Learn more about the types, causes, and symptoms of allergies, and how they're treated. Aug 24, 2024 · Symptoms Allergy symptoms depend on what allergen is involved. The symptoms can affect the airways, sinuses and nasal passages, skin, and digestive system. Allergic reactions can.