Allergens are substances that trigger an allergic reaction in people who are sensitive to them. Although these substances are usually harmless to most individuals, the immune system of an allergic person treats them as dangerous and responds by releasing inflammatory chemicals such as histamine. This immune response can affect the skin, respiratory system, digestive system, […]
Allergic reactions occur when the immune system overreacts to a harmless substance known as an allergen. Common allergens include pollen, dust mites, certain foods, medications, insect stings, and pet dander. The severity of allergic reactions varies from person to person, ranging from mild symptoms that cause discomfort to severe reactions that can become life-threatening. Understanding
Allergies are among the most common immune system disorders worldwide. They occur when the body’s immune system reacts excessively to substances that are normally harmless, such as pollen, dust, animal dander, certain foods, insect stings, or medications. These substances are called allergens. While the immune system is designed to protect the body from harmful pathogens,
