What may be the cause of a dry mouth and a white, thick tongue?

Dry mouth and tongue with white and thick tongue coating may be caused by phlegm, dampness and heat.
Dry mouth and tongue is mostly due to the internal heat of fire. Fire for the yang evil, the nature of the ascending inflammation, so the lesions occurred in the upper part of the body, Yang Shengsheng is hot, easy to force the Jin leakage or burn Yin liquid, so that the Yin Jin depletion, which can be seen in patients with a dry mouth and tongue.
Moss white main table evidence, cold evidence, wet evidence, tongue thickening for the disease into the evil into the, or within the phlegm, drink, water, wet, food accumulation (food indigestion and stagnation in the stomach), etc., and dry mouth and tongue at the same time more than consider phlegm turbid dampness and heat within the hidden.
Dry mouth and tongue with white coating and other physical discomfort, it is recommended to go to the hospital in a timely manner, in the dialectical treatment of traditional Chinese medicine practitioners to carry out the appropriate treatment.