What Are Mouth Lesions?
By Brian Joseph MillerMedically Reviewed by Sanjai Sinha, MD
Sores on your mouth, lips, tongue and inner cheek are often caused by viral infections or minor injury.
Mouth lesions and sores rarely require immediate emergency medical attention, but they can be painful and embarrassing, especially if the sores are visible. A person with a mouth or tongue lesion has lumps, bumps, little ulcers, or cuts or sores inside or outside the mouth and lips.
https://www.everydayhealth.com/mouth-lesions/guide/
