Nasal reflux is divided into physiological and pathological two kinds, physiological nasal reflux does not have any symptoms, pathological nasal reflux will appear pharyngeal foreign body sensation, throat clearing, coughing, coughing up phlegm symptoms.
1. Physiological snot reflux: under normal circumstances, the nasal mucosa will continue to secrete 500-700 milliliters of snot every day, and the thin snot with the nasal cilia constantly swing to the inside of the nasal cavity, transported to the pharynx, with the swallowing action into the stomach, and be broken down by gastric acid, generally not accompanied by uncomfortable symptoms.
2. Pathological backflow of nasal mucus: due to rhinitis, sinusitis, nasal polyps and other diseases, the nasal mucosa is stimulated by inflammation, mucosal glands secrete mucus to increase the amount of mucus, when the human body lying down, by gravity, a large amount of nasal mucus will flow to the pharynx, the pharynx appears to be a foreign body sensation, which often appears to clear the throat. When snot accumulates in the pharynx, you may swallow involuntarily from time to time.
Pathological symptoms of nasal discharge should be promptly consulted and symptomatic treatment should be given to alleviate the above discomfort.