I’ve been drinking water. Why is my mouth still dry?

Have been drinking water or dry mouth need to consider the presence of fever, climatic causes, dry syndrome, salivary gland stones and so on.
1. If the organism has a febrile disease, due to the high metabolic state, the oral exhalation of water as well as increased excretion of water (frequent urination, diarrhea, etc.), the loss of water is greater than the intake of water, so even if you have been drinking water will still be manifested in the dryness of the lips.
2. Dry weather and environment will appear dry mouth, usually in the northern indoor long time when the heating is on common.
3. Patients with dry syndrome have reduced glandular secretion, which is characterized by dry mouth, dry eyes, and other symptoms such as joint pain and arthritis.
4. Salivary gland stones: When salivary gland stones are present, the discharge of saliva is restricted, which may also lead to dry mouth.
When normal drinking or dry mouth under the increase in the amount of water still does not improve, you should go to the hospital in time for diagnosis and treatment.