Allergy , hypersensitivity reaction by the body to foreign substances (antigens) that in similar amounts and circumstances are harmless within the bodies of other people. Antigens that provoke an allergic reaction are called allergens. Typical allergens include pollens, drugs, lints, bacteria, Allergies occur when your immune system overreacts to harmless substances, leading to symptoms like sneezing, itching, or difficulty breathing. Know more about its symptoms, causes, treatment or more. In this article, we will explore the “What is an allergy?”, what are the most common allergies , their symptoms, and various treatment options available. Seasonal allergies , also known as hay fever or allergic rhinitis, are triggered by outdoor allergens such as pollen, grass, or mould spores.
