The danger of rhinitis is related to the type of rhinitis, according to the degree of urgency and slowness of the disease, it can be divided into acute rhinitis, chronic rhinitis, which often leads to sinus, eye, respiratory tract and other complications. 1. Acute rhinitis: often affect the breathing, resulting in poor breathing, and often runny nose, once cold and flu, easy to cause rhinitis aggravation. Acute rhinitis is often complicated by sinusitis, conjunctivitis, bronchitis, and also affects the digestive tract. 2. Chronic rhinitis: may be due to the swelling of the mucous membrane of the Eustachian tube, resulting in otitis media, but also easily complicated by sinusitis, pharyngitis and obstructive sleep apnea syndrome and other systemic diseases. Different types of rhinitis have different hazards, and once diagnosed, you should cooperate with your doctor in time for treatment.