Nose always runny, may be allergic rhinitis, cold, sinus submucous cyst rupture and other causes.
1. Allergic rhinitis: contact with pollen and other allergens cause inflammatory reactions in the nasal cavity, which may result in nasal itching, sneezing, a large amount of watery nasal discharge, and swelling of the nasal mucosa.
2. Colds: the infection of the upper respiratory tract by rhinovirus and other pathogens causes sneezing, nasal congestion, runny nose and other symptoms.
3. Rupture of submucous cysts of sinuses: Rupture of submucous cysts of sinuses can lead to nasal discharge.
It is recommended to go to the hospital in time to clarify the cause of the nasal discharge and standardize the treatment under the guidance of the doctor.