16-year-old girl always have snot in the morning, its common causes are allergic rhinitis, acute rhinitis, sinusitis and so on.
1. Allergic rhinitis: may get up in the morning after contact with allergens, the nasal cavity caused by stimulation, hypersensitivity reaction, produce more secretions, the performance of nasal discharge, nasal discharge is usually clear water-like.
2. Acute rhinitis: usually after a cold or flu, viral infection causes acute inflammation of the nasal mucosa, resulting in increased nasal secretions.
3. Sinusitis: sinus infection caused by bacteria, causing inflammation of the sinus mucosa, mucosal irritation caused by nasal discharge, nasal discharge is usually mucopurulent.
Cause 16-year-old girl in the morning old snot there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor for standardized treatment.