Alergias - Síntomas y causas - Mayo Clinic
2022年8月5日 · Los síntomas de la alergia pueden oscilar entre leves y graves, e incluso poner en riesgo la vida. Si bien la mayoría de las alergias no tienen cura, los tratamientos pueden ayudar.
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.
Allergies Overview: Symptoms, Treatments, and More - Healthline
2024年7月19日 · An allergy is an immune system response to a foreign substance, or allergen, that’s not typically harmful to the body. Symptoms and treatments may vary depending on the type of allergy you have...
Allergy Symptoms: Signs, Symptoms, and Treatment - WebMD
2023年11月20日 · This leads to symptoms, such as sneezing, itching, hives, and shortness of breath. These symptoms are usually mild. But allergies can sometimes cause a serious reaction called anaphylaxis ...
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]
Do I Have a Common Cold or Allergies? - Healthline
2021年12月23日 · If you have congestion and a runny nose, or you’re sneezing and coughing, your first thought may be that you have a cold. Yet, these are also signs of allergies. By learning the differences ...
Allergies | Allergy Symptoms - MedlinePlus
2018年5月16日 · 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 …
Allergy Symptoms | Common Allergy Causes | ACAAI Public Website
Allergy symptoms occur when your immune system overreacts to something that is harmless to most people but triggers a reaction in anyone sensitive to it. This substance is known as an allergen.
What Are Allergies? Symptoms, Causes, Diagnosis, Treatment, …
2023年5月20日 · Allergens are typically harmless substances that trigger an immune response and cause a reaction in people who are allergic. The allergic reaction occurs if the person inhales, touches,...
Allergy (Allergies) Types, Symptoms, Food, Medicine, Treatment
2023年11月20日 · Read about allergy treatment, symptoms, testing, shots, and medicine. Learn about the types of allergies (asthma, allergic rhinitis, seasonal, conjunctivitis, eczema, anaphylaxis, hives) causes, risk factors, and more.