Apr 1, 2025 · Allergies are your immune system’s overreaction to foreign substances. When you touch, inhale or eat something you’re allergic to, your body thinks it’s harmful and reacts to try to get rid of it. …

An allergy is an exaggerated immune response where the body mistakenly identifies an ordinarily harmless allergen as a threat. [11][12][13][14] Allergic reactions give rise to allergic diseases such as …

Nov 20, 2023 · In many places in the U.S., there are two allergy seasons: spring and fall. Allergies that you get at similar times each year (seasonal allergies) are usually caused by pollen from trees,...

Jul 7, 2025 · Common allergy symptoms include skin reactions, respiratory issues, and digestive problems, and can be managed through avoidance, medication, immunotherapy, and natural …

An allergy is an exaggerated reaction by the immune system in response to exposure to certain foreign substances. These foreign substances are normally seen as harmless by the immune system in …

May 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 …

Allergies are not just a nuisance – they are a serious health issue. Allergies can interfere with day-to-day activities and impact quality of life. They generally fall into two categories: Some allergens that can …

Allergies exist in many different forms. Find out about the symptoms of and how to manage and treat the allergy you suffer from. Allergy symptoms occur when your immune system overreacts to an …

Allergies are an increasingly prevalent condition that affects millions worldwide. They occur when the immune system reacts to a foreign substance—such as pollen, bee venom, or pet dander—that …

Feb 9, 2024 · An allergy is an immune system reaction to something that is normally harmless. The reaction to the allergen (allergy-triggering substance) results in the release of histamine and other …