Infections and Illnesses
Infections and illnesses can cause a white tongue. Oral thrush, a fungal infection caused by Candida, can result in a white coating on the tongue. Other oral infections, such as leukoplakia or oral lichen planus, can also cause a white appearance. Furthermore, some systemic illnesses, like HIV/AIDS or diabetes, may manifest as a white tongue. It is important to consult with a healthcare professional to properly diagnose and treat any underlying infections or illnesses that may be causing a white tongue.