The tongue is always dry, may be the emergence of diabetes, dry syndrome and other diseases, need to treat the symptoms.
1. Diabetes, some patients with diabetes due to elevated blood glucose levels in the body, which may lead to increased sugar in the saliva, the lack of water, so it is more likely to have a dry tongue, usually need to use medication under the guidance of a doctor, such as metformin, glibenclamide.
2. Dry syndrome, patients with dry syndrome due to glandular secretion is affected, may lead to the tongue is always dry, need to use rituximab, prednisone and other drugs under the guidance of a doctor, or the use of artificial saliva, to improve the symptoms.
Usually, you need to observe the recovery of your body and see your doctor for regular checkups.