March 26, 2022

Allergy occurs when a person reacts to substances in the environment that are harmless to most people. These substances are known as allergens and are found in dust mites, pets, pollen, insects, ticks, moulds, foods and some medications. #allergy #allergyproblems #drrksingh #ENTspecialist #besttreats #earsurgery nosesurgery #allergic #skinprick