K12.1: Other forms of stomatitis

There are many causes of an inflamed oral mucous membrane. For example, these include pathogens, a weakened immune system or ill-fitting dentures.

An inflamed oral mucous membrane is typically red, swollen and painful. Sour or spicy foods can make the symptoms worse. An inflamed oral mucous membrane may bleed or cause bad breath.

Patient Disclaimer

The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.

If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.

For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.