Thick white tongue coating with bad breath
Disease description:
Recently, the tongue coating at the back of my tongue is still white, and there's a bad taste in my mouth. What causes thick, white tongue coating accompanied by bad breath?
Doctor's answer (1)
Dr. Guo Huijie
A thick, white tongue coating accompanied by bad breath is often a visible sign of internal imbalance in the body. A thick and white tongue coating may indicate excessive dampness in the body or problems with the digestive system, such as poor spleen and stomach function leading to indigestion, which in turn causes oral odor. Bad breath can also result from multiple factors including bacterial growth in the mouth, dry mouth, or poor oral hygiene, all of which further affect overall health and quality of life. To address this condition, one should first focus on dietary adjustments—avoiding greasy, spicy, raw, and cold foods, while increasing intake of light, healthy foods such as vegetables and fruits. At the same time, maintaining good oral hygiene practices is essential: brushing and rinsing regularly, and thoroughly removing food debris using dental floss and other cleaning tools. If symptoms persist or worsen, it is advisable to seek timely medical attention and professional guidance from a healthcare provider.
