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- Allergies - Symptoms and causes - Mayo Clinic
But with allergies, the immune system makes antibodies that mark a specific allergen as harmful, even though it isn't Coming into contact with the allergen causes an immune system reaction that can inflame the skin, sinuses, airways or digestive system
- Allergies: Types, Symptoms, Treatment Management
Allergies happen when your immune system mistakenly identifies foreign proteins — in pollen, pet dander, medications, food or other substances — as something harmful (as if it were a virus or bacteria) Inhaling, eating or touching something you’re allergic to activates mechanisms meant to protect you and flush the allergen out of your
- Allergies Overview: Symptoms, Treatments, and More - Healthline
Direct contact: Some allergies are caused by direct contact with allergens, such as insect stings, the sun, certain plants, latex, and certain metals How allergies are diagnosed
- Allergy Symptoms: Signs, Symptoms, and Treatment - WebMD
Allergies that you get at similar times each year (seasonal allergies) are usually caused by pollen from trees, grasses, and weeds Most trees release pollen in the spring, followed by grasses in
- Allergy (Allergies) Types, Symptoms, Food, Medicine, Treatment
The diagnosis of allergies begins with a detailed history and physical examination Many people with allergies have other family members with allergic conditions In addition to the history and exam, skin testing and sometimes blood work (specific IgE levels) can help with the diagnosis of allergies
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