Nasal allergies are overreaction by body due to breathing of allergens.when exposed to allergens, immune system incorrectly reads it as threat to the health and in response it releases certain cells and chemicals design to protect from allergens and finally end up making feel bad.
Nasal allergies are also called as Allergic rhinitis. It is a collection of symptoms seen mostly in nose, eyes, throat, ears. which occur when breath something allergic like dust, dander, pollen. If the symptoms are caused by plant pollen then it is called Hay fever. It may be seasonal or Perennial (all over the year). Allergic rhinitis can begin at any age and risk higher in people with asthma or eczema.