Dry mouth at night can be caused by a variety of reasons, generally consider physiological reasons (such as weather factors, drinking too little water, etc.) and pathological reasons (such as diabetes, uremia, dry syndrome, etc.), dry mouth is a clinical symptom and performance, need to be examined to further clarify the diagnosis.
1. Physiological causes: for example, due to the excessive heat and humidity in the house in summer, drinking too little water or not replenishing water in time after a large amount of exercise, all of the above factors can cause dry mouth at night, which can be relieved by replenishing water in time.
2. Pathological causes:
(1) diabetes mellitus: caused by insufficient insulin secretion, it can be characterized by drinking, eating, urinating and wasting, etc., and due to the high frequency of urination, it can be manifested as dry mouth.
(2) Uremia: caused by the lack of antidiuretic hormone or the insensitivity of the kidneys to it, it can be characterized by thirst, large amount of urination and low specific gravity urine.
(3) Dry Syndrome: It is an autoimmune disease that involves glands throughout the body, which will lead to a decrease in the secretion of salivary glands, thus causing symptoms such as dry mouth.
It is necessary to go to the hospital for a clear diagnosis after relevant examinations, and to follow the doctor’s instructions for treatment after diagnosis, not indiscriminate use of medication.