Definition: The word "allergic" in English is a technical term that refers to an individual's body recognizing something as foreign or dangerous due to its characteristics, like being a substance or object that has been ingested, touched, or placed on their skin. 1. Definition: Allergic reaction occurs when the body reacts to an allergen by producing antibodies that recognize it as harmful, and the immune system mistakenly attacks healthy tissue. The immune response can cause symptoms such as itching, hives, swelling, breathing difficulty, a fast heartbeat, nausea, vomiting, or abdominal pain, depending on the type of allergen. 2. Symptoms: Allergic reactions can range from mild to severe, with some cases presenting in rapid onset and others taking several hours to resolve. The severity varies widely based on the type of allergy, sensitivity, and the specific reaction triggered by an allergen. 3. Response Mechanism: The immune system produces antibodies that bind to the allergens, causing the body to produce a "tissue response" or an allergic reaction. This may include the release of histamine, which is a chemical produced by the immune cells, as well as cytokines and other molecules that cause inflammation in the affected area. 4. Types of Allergies: There are two main types of allergies: those triggered by food and those triggered by animal products. Some common types of foods include nuts, eggs, gluten, dairy products, soy, and peanuts. Some allergens can also be caused by pollen or other plant allergens in the air. 5. Prevention Tips: To prevent allergic reactions, it is important to identify the allergen(s) you are sensitive to and avoid their exposure as much as possible. It's recommended to consult a healthcare professional for specific advice on what might trigger an allergy response. Additionally, practicing good hygiene such as washing hands frequently and avoiding close contact with people with known allergies can help reduce the risk of allergic reactions. 6. Treatment Options: Allergic reactions are typically treated with medications that suppress the immune system or alleviate symptoms associated with the reaction. This may include antihistamines, corticosteroids, or other specific medications designed to neutralize the allergen(s) and reduce inflammation in the affected area.

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