Hello..... Allergic rhinitis is commonly known as hay fever.If you have minor allergies, you’ll probably only need a physical exam. A skin prick test is one of the most common,A blood test, or radioallergosorbent test (RAST), is also done.. You can take antihistamines to treat allergies.You can use decongestants over a short period to relieve a stuffy nose .consult ENT specialist...