The yellowing of the root of the tongue is mainly due to chronic pharyngitis, tongue infection, long-term consumption of certain foods or drugs staining.
1. Chronic pharyngolaryngitis: there are a lot of lymphatic tissues in the back wall of the pharynx, and a lot of secretions will be produced when chronic inflammation occurs, and these secretions will be attached to the back wall of the pharynx and the root of the tongue for a long time, which will be accompanied by bacteria in the oral cavity to present a yellow color.
2. Tongue infection: poor oral hygiene or accompanied by cracks, grooves in the food residue stagnation, bacterial infection, the symptoms of yellow tongue.
3. Long-term consumption of food or drugs: long-term use of certain foods with color, resulting in staining of the oral mucosa, yellowing of the tongue root, or taking certain drugs, so that the oral mucosa staining, such as chlorhexidine mouthwash, but the oral mucosa yellow.
The yellowing of the root of the tongue needs timely medical attention to identify the cause and treat the symptoms.