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Bookmark or Share- Overview of Allergic Reactions - Immune Disorders - Merck Manual ...Allergic reactions (hypersensitivity reactions) are inappropriate responses of the immune system to a normally harmless substance. Usually, allergies cause sneezing, watery and itchy eyes, a runny nose, itchy skin, and rash. Some allergic reactions, called anaphylactic reactions, are life threatening.
- What To Do for an Allergic Reaction - Cleveland Clinic Health EssentialsWhat To Do for an Allergic Reaction. How to handle breathing difficulties, rashes, hives and more. Pollen, dust, animal dander, nuts, shellfish and other foods — these can all cause an allergic ...
- Allergic Reaction: Symptoms, Treatment, Prevention & More - HealthlineAn allergic reaction occurs when your body attacks a foreign, and typically harmless, substance. Learn about common allergens, allergy testing, and more. Health Conditions
- Allergies: Symptoms, Reaction, Treatment & Management - Cleveland ClinicAllergies occur when your immune system mistakenly triggers an allergic reaction to an allergen. Allergic reaction symptoms include congestion, watery eyes, a runny nose, vomiting and, in severe cases, anaphylaxis. Allergies can be incredibly frustrating if you don’t know what’s triggering your immune system.
- Allergic Reactions: Symptoms, Triggers, and Treatments - WebMDYou might get hives, itching, swelling, sneezing, and a runny nose. You might have it if you have itching, redness, and peeling or flaking. Medications: If you’re allergic to a certain drug, you ...
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