Allergies happen when your immune system reacts to something harmless as if it were a threat. Common triggers include pollen, pet dander, certain foods, insect stings, and medications. Your body releases chemicals that cause symptoms like sneezing, itching, swelling, or difficulty breathing. Allergies range from mild annoyances to serious reactions that need when ready medical attention. Understanding what causes your symptoms and how to manage them helps you avoid triggers and feel better.
These articles explain how allergies develop, what happens in your body during an allergic reaction, and how doctors test for and diagnose allergies. You'll learn about different types of allergies, from seasonal hay fever to food allergies and severe reactions. The guides also cover treatment options, ways to reduce exposure to allergens, and when to seek emergency care.