Allergy testing is a medical procedure used to identify specific allergens that may cause allergic reactions in individuals. This testing can be done through skin tests, where small amounts of allergens are applied to the skin, or through blood tests that measure the immune system's response to allergens. The results help healthcare providers determine the best course of action for managing allergies, which may include avoiding certain substances or using medications like antihistamines. Common allergens tested include pollen, dust mites, pet dander, and certain foods. Understanding allergies can improve quality of life for those affected.