Drinking a lot of water and still dry lips, on the one hand, is due to physiological factors; on the other hand, it may be due to pathological factors, such as endocrine diseases, dry syndrome and so on.
1. Physiological reasons: such as high temperature, sweating or dietary tastes are too heavy will cause dry lips, drink a lot of water is difficult to relieve.
2. Pathological factors: common endocrine diseases such as diabetes mellitus, because high blood sugar can cause osmotic diuresis, so always feel thirsty, dry lips, so drink a lot of water, but drink a lot of water after the symptoms of dry lips can not be relieved. In addition, it may also be dry syndrome, which is a disease of the immune system, can involve the salivary glands, sweat glands, etc., resulting in reduced secretion of the glands. The involvement of salivary glands can cause dry lips and thirst, and it is difficult to relieve the symptoms even after drinking a lot of water.
It is recommended to avoid eating spicy and stimulating food, drink a lot of water and dry lips, long time without relief, you should go to the hospital in time.