Allergies

Introduction Pollen allergy, also known as hay fever or seasonal allergic rhinitis, is an allergic reaction to pollen released by trees, grasses, and weeds. When someone with pollen allergy inhales the allergens, the immune system overreacts, causing symptoms such as sneezing, runny nose, itchy...
Introduction Nut and peanut allergies are among the most serious and common food allergies worldwide. They occur when the immune system mistakenly identifies proteins in peanuts or tree nuts (such as almonds, cashews, walnuts, or hazelnuts) as harmful. For some people, even trace amounts can trigger...
Introduction Nickel allergy is one of the most common contact allergies. It occurs when the immune system reacts to nickel, a metal frequently found in jewelry, watches, zippers, eyeglass frames...
Introduction Mold allergy is caused by an immune system reaction to inhaled mold spores, which are found both indoors and outdoors. Mold thrives in damp, humid environments such as bathrooms...
Introduction Food allergy is an immune system reaction that occurs soon after eating a specific food. Even a tiny amount of the allergen can trigger symptoms such as hives, swelling, stomach pain...
Introduction Lactose intolerance is a digestive condition where the body cannot properly break down lactose, the natural sugar found in milk and dairy products. This happens when the small intestine...
Introduction Dust mite allergy is a common indoor allergy caused by tiny organisms that thrive in warm, humid environments such as bedding, carpets, and upholstered furniture. These microscopic...
Introduction Cow’s milk allergy is one of the most common food allergies, especially in infants and young children. It occurs when the immune system reacts to proteins found in cow’s milk, such as...
Introduction Insect allergies occur when the immune system overreacts to proteins found in insect venom, saliva, or body parts. The most common triggers are stings from bees, wasps, and hornets, as...
Introduction Fragrance sensitivity, also called multiple chemical sensitivity (MCS) or scent sensitivity, occurs when a person experiences physical or respiratory symptoms after exposure to scented...
Introduction Getting eyelash extensions has become a popular beauty trend, but for some people, it may trigger unwanted allergic reactions. The glue or adhesive used to attach the extensions often...
Introduction Allergies and hypersensitivity occur when the immune system reacts abnormally to a substance that is usually harmless. These substances, known as allergens, can include pollen, food, dust...