Dry lips and tongue may be caused by physiological phenomenon, uremia, diabetes mellitus, hyperthyroidism and other reasons.
1. Physiological phenomenon: usually if the patient in a hot environment, stay in the air-conditioned room for a long time or do not drink water, may lead to physiological dry lips and tongue, which is a normal physiological phenomenon.
2. Uremia: general uremic patients with anti-urinary hormone will be reduced, so it will stimulate the central nervous system, resulting in patients with dry lips and tongue.
3. Diabetes: If diabetic patients do not control blood sugar in time, it will lead to osmotic hematuria, which may cause dry lips and tongue.
4. Hyperthyroidism: general hyperthyroidism patient’s body will have a lot of consumption, there will be a lot of sweating, rapid heartbeat and other phenomena, if the patient usually do not like to drink water, may also lead to dry lips and tongue.
There may be other reasons for dry lips and tongue, it is recommended that patients actively seek medical attention to identify the causes, and formal treatment.