Allergy - Wikipedia
Allergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. [11] These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. [1]
Allergies - Symptoms and causes - Mayo Clinic
2024年8月24日 · Allergies happen when the immune system reacts to a foreign substance that gets inside the body. These substances are known as allergens. They include pollen, bee venom and pet dander. Allergies also can happen due to certain foods and medicines that don't cause reactions in most people.
List of allergens - Wikipedia
This is a list of allergies, which includes the allergen, potential reactions, and a brief description of the cause where applicable.
Overview: Allergies - InformedHealth.org - NCBI Bookshelf
2023年8月8日 · Allergies arise if the body's immune system overreacts to substances (allergens) that are usually harmless, such as pollen. The symptoms are sometimes quite mild, but they can also be a real nuisance and have a considerable impact in everyday life. There are various treatment options for allergies.
Allergen - Wikipedia
An allergen is an otherwise harmless substance that triggers an allergic reaction in sensitive individuals by stimulating an immune response. In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivity reaction in atopic individuals through immunoglobulin E (IgE) responses. [ 1 ] .
Allergies: Symptoms, Reaction, Treatment & Management - Cleveland Clinic
Allergies are your body’s reaction to normally harmless substances. Allergy symptoms range from mild to life-threatening. Treatments include antihistamines, decongestants, nasal steroids, asthma medicines and immunotherapy. Allergies cause your immune system to overreact to certain foreign substances. What are allergies?
Allergy - StatPearls - NCBI Bookshelf - National Center for ...
2023年7月31日 · Allergy is a broad topic and speaks to the body’s immune response to foreign substances common in the environment, and triggers a reaction from the body’s immune response described as hypersensitivity.
Allergy - Simple English Wikipedia, the free encyclopedia
Having an allergy is when a thing (called an allergen) cannot enter the body without them getting sick. Sometimes the system goes wrong, and is triggered by some normal food, or flares up when the family pet comes into the room.
Allergies: What They Are, Causes, Types, Symptoms ... - HealthDay
2024年4月12日 · There are several types of allergies, which vary based on the usual triggers and the symptoms they cause. The major causes of seasonal and environmental allergies include indoor and outdoor allergens. Indoor allergens include things like dust mites, cockroaches and pet dander (like cats and dogs).
10 Ways to Identify Allergies - wikiHow
2024年6月22日 · We're here to answer some of your most commonly-asked questions about allergies, including what the symptoms are and what might be causing them. To be 100% sure what's going on, though, make an appointment with an allergist for allergy testing.
- 查看次数: 12.2万