General practice·General practice
Tongue coating
Informed by recognized medical guidance
Overview
Tongue coating is a layer of debris, bacteria, and dead cells that builds up on the surface of the tongue. It can appear white, yellow, brown, or black and is usually harmless and temporary.
Key facts
- Tongue coating is very common and often related to diet, oral hygiene, or minor infections.
- It usually goes away on its own or with simple self-care like gentle brushing of the tongue.
- A coated tongue is not a disease itself but can sometimes be a sign of an underlying condition.
Yes, tongue coating is very common. Most people experience it at some point in their lives.
It can affect people of all ages, but it is more common in adults, especially those with dry mouth, poor oral hygiene, smokers, and people who breathe through their mouth.