What's allergic rhinitis? Allergic rhinitis, also called hay fever, is an allergic response. You may have an allergy when your physique overreacts to issues that don’t trigger issues for most individuals. This stuff is referred to as allergens. Your physique’s overreaction to the allergens is what causes signs. There are two types of allergic rhinitis: Seasonal (hay fever): … [Read more...] about Allergic Rhinitis: Treatment Guidelines