Allergies - Symptoms and causes - Mayo Clinic But with allergies, the immune system makes antibodies that mark a specific allergen as harmful, even though it isn't Coming into contact with the allergen causes an immune system reaction that can inflame the skin, sinuses, airways or digestive system
Allergies - Diagnosis and treatment - Mayo Clinic Your symptoms, including any that don't seem related to allergies Note when the symptoms began Your family's history of allergies and asthma, including specific types of allergies, if you know them All medicines, vitamins and other supplements you take, including doses Questions to ask your healthcare professional
Alergias - Síntomas y causas - Mayo Clinic Los síntomas de la alergia pueden variar de leves a graves, incluso del tipo que ponen en riesgo la vida Infórmate sobre los tratamientos y los consejos de prevención que puede
Seasonal allergies: Nip them in the bud - Mayo Clinic Spring means flower buds and blooming trees — and if you're one of the millions of people who have seasonal allergies, it also means sneezing, congestion, a runny nose and other bothersome symptoms Seasonal allergies — also called hay fever and allergic rhinitis — can make you miserable But
Allergic Diseases - Overview - Mayo Clinic To help people with a wide range of allergic diseases, allergy specialists at Mayo Clinic locations offer comprehensive treatment for asthma, hay fever (allergic rhinitis), food allergy, medication (drug) allergy, latex allergy, primary immunodeficiency, chronic sinusitis, stinging insect allergy, eosinophil-associated diseases and other allergic responses
Allergies and asthma: They often occur together - Mayo Clinic A lot, as it turns out Many people who have allergies also have asthma The same substances that trigger your hay fever symptoms may cause asthma symptoms These include pollen, dust mites and pet dander In some people, skin or food allergies can cause asthma symptoms This is called allergic asthma
COVID-19, cold, allergies and the flu: What are the differences? Unlike COVID-19, seasonal allergies aren't caused by a virus Seasonal allergies are immune system responses triggered by exposure to allergens, such as seasonal tree or grass pollens COVID-19 and seasonal allergies can cause many of the same symptoms But there are some differences
Food allergy - Symptoms and causes - Mayo Clinic Food allergies are more common in children, especially toddlers and infants As children grow older, their digestive systems mature and their bodies are less likely to react to food components that trigger allergies Fortunately, children typically outgrow allergies to milk, soy, wheat and eggs
Allergy medications: Know your options - Mayo Clinic Oral antihistamines ease many symptoms of allergies These include a runny nose, itchy or watery eyes, hives, and swelling Some of these medicines are available without a prescription Side effects include drowsiness, so use with caution if you need to drive or be alert Antihistamines that tend to cause drowsiness include: Diphenhydramine
Shellfish allergy - Symptoms and causes - Mayo Clinic Allergies can cause a severe, potentially life-threatening allergic reaction known as anaphylaxis It can occur within seconds to minutes after exposure to something you're allergic to — and worsens quickly An anaphylactic reaction to shellfish is a medical emergency