Chronic rhinopharyngitis is a common disease today, with symptoms of acute pharyngitis but lasting more than 1 week, recurring many times and causing significant effects on people's health and life.

Chronic rhinopharyngitis is a long-term inflammation of the nose and throat, progressing from acute rhinopharyngitis and affecting the health and life of the patient. There are many causes of chronic rhinopharyngitis.

Pregnancy rhinitis can occur in about 20% of pregnant women. Pregnancy rhinitis causes discomfort, affects the quality of life of pregnant women, and causes some complications that affect the health of mother and baby.