Why is my mouth so dry when I wake up every morning?

Getting up every morning with a particularly dry mouth may be caused by physiological factors, or it may be caused by malnutrition, lipitis, dry syndrome and other diseases.
1. Physiological factors: patients living environment is too dry or too little water, there will be a particularly dry mouth in the morning.
2. Malnutrition: Long-term malnutrition can lead to vitamin deficiency in the body, resulting in symptoms such as dry mouth and difficulty in swallowing.
3. Lipitis: it is usually related to poor diet, pathogen infection, allergic reaction, endocrine disorders and other factors. The patient’s lips will be swollen, ruptured, congested, and accompanied by dry mouth.
4. Dry syndrome: Dry syndrome is a kind of autoimmune disease, which will lead to a decrease in the secretion of oral salivary glands, resulting in symptoms of dry mouth.
Patients should drink more water, if the symptoms of oral liver for a long time can not be relieved, should go to the hospital for examination in a timely manner, under the guidance of the doctor to take appropriate methods of treatment.