List of what causes rhinitis and conditions for which rhinitis symptoms are related. If you want to know, "Why do I have rhinitis?" consider that rhinitis can be caused by a number of illnesses. This is a list of diseases that rhinitis is a symptom of, including diseases associated with rhinitis. What diseases cause rhinitis? The list you're viewing is made up of items like Upper respiratory tract infection and Pertussis. This list of diseases with rhinitis as a symptom is in alphabetical order with images when available, though it can also be sorted. If you could say "I am experiencing rhinitis," please consult a physician.