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Allergic reactions are symptoms that result from your body creating these antibodies. Allergies are common, affecting more than 50 million Americans. Types of allergens include those that are airborne or those that arise from contact with your skin, from food, and from medications.
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.
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 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 Treatment. Find a Doctor and Specialist.
An allergy is an immune system response to a foreign substance that’s not typically harmful to your body. Learn more about the types, causes, and symptoms of...
An allergy is the result of your immune system overreacting to a trigger. Common allergies include pollen, insect venom, latex, pet dander, peanuts, and mold.
Allergies occur when your immune system overreacts to substances called allergens. Common allergens that can trigger allergic reactions include pollen, pet dander, and bee venom....
Allergies occur when the immune system overreacts to a normally harmless substance—such as pollen, dust mites, or mold—that does not affect most people. When someone with allergies comes into contact with these substances, known as allergens, their immune system produces antibodies called immunoglobulin E (IgE) to attack the allergen.
Introduction. Allergies arise if the body's immune system overreacts to foreign substances (allergens) that are usually harmless in most people, such as pollen or certain foods. In some cases the symptoms are quite mild, but they can also be a real nuisance and have a considerable impact in everyday life.
An allergic reaction occurs when the immune system becomes hypersensitive to foods, pollen, medications, bee venom, and other substances. Exposure to these...