The causes of dry mouth and nose are considered to be environmental influence, dry rhinitis, upper respiratory tract infection, dry syndrome and so on.
1. Environmental influence: if the patient’s usual living environment is too dry air, high temperature, or the air contains a large number of irritating chemicals and dust, etc., prolonged inhalation may cause mechanical damage to the oral cavity, nasal mucosa, resulting in dryness of the mouth and nose.
2. Dry rhinitis: dry rhinitis will cause the dryness of the nasal mucosa, the air through the nasal cavity can not be well humidified, stimulate the pharyngeal mucosa, the patient will also have dry mouth and nose.
3. Upper respiratory tract infection: upper respiratory tract infection viruses, bacteria can invade the nasal cavity and pharyngeal mucosa, the body can have fever, the body water is evaporated, causing dryness of the mouth and nose.
4. Dry syndrome: patients with dry syndrome have reduced secretion of glands and dry mucous membranes, causing dryness of mouth and nose.
It is recommended that patients with dry mouth and nose should have a light diet, avoid spicy and other stimulating foods, eat more fresh vegetables and fruits, drink more water, and keep the environment with appropriate humidity. If the dryness of the mouth and nose exists for a long time, please consult a doctor for examination, and follow the doctor’s instructions for treatment after clarifying the cause of the disease.