Allergies

Pollen Allergy

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...

Nut and Peanut Allergy

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...

Nickel Allergy

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...

Mold Allergy

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...

Food Allergy

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...

Lactose Intolerance

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...

Dust Mite Allergy

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...

Cow’s Milk Allergy

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...

Insect Allergy

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...

Fragrance Sensitivity

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...

Allergic Reaction to Eyelash Extensions

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...

Allergy and Hypersensitivity

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...