Allergies - Symptoms and causes - Mayo Clinic
WebAug 5, 2022 · Allergy symptoms, which depend on the substance involved, can affect your airways, sinuses and nasal passages, skin, and digestive system. Allergic reactions can range from mild to severe. In some severe cases, allergies can trigger a life-threatening reaction known as anaphylaxis.
Allergy - Wikipedia
WebAllergies, 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 Overview: Symptoms, Treatments, and More - Healthline
WebJun 5, 2018 · An allergy is an immune system response to a foreign substance that’s not typically harmful to your body. These foreign substances are called allergens. They can...
Allergies: Symptoms, Reaction, Treatment & Management
WebAllergies 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.
Allergy Symptoms: Signs, Symptoms, and Treatment - WebMD
WebNov 20, 2023 · Dust allergy symptoms include: Sneezing; Runny or stuffy nose; Red, itchy, and watery eyes; Itchy skin; Wheezing, coughing, shortness of breath; Food allergysymptoms
Allergic Reactions: Symptoms, Triggers, and Treatments - WebMD
WebMar 8, 2024 · The Symptoms, From Itchy Eyes to Sneezing. Your allergy attacks might range from mild and annoying to more severe and even life-threatening. It all depends on the way your body reacts and how...
Allergies - Diagnosis and treatment - Mayo Clinic
WebAug 5, 2022 · Allergy symptoms can range from mild to severe, even life-threatening. Most allergies can't be cured, but treatments can help. This content does not have an English version.
Allergy Symptoms - Asthma & Allergy Foundation of America
WebWhat Is an Allergy? An allergy occurs when the body’s immune system sees a substance as harmful and overreacts to it. The symptoms that result are an allergic reaction. The substances that cause allergic reactions are allergens. Allergens can get into your body many ways to cause an allergic reaction.
Allergies | Allergy Symptoms | MedlinePlus
WebMay 16, 2018 · Allergies can cause a variety of symptoms such as a runny nose, sneezing, itching, rashes, swelling, or asthma. Allergies can range from minor to severe. Anaphylaxis is a severe reaction that can be life-threatening. Doctors use skin and blood tests to diagnose allergies.
Allergies: Types, Symptoms, Causes, Diagnosis, Treatment and …
WebFeb 27, 2023 · An allergy is an overactive immune response to a substance (called an allergen) that is usually harmless, such as pollen or dust. Exposure to an allergy causes the body’s cells to...
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