It is glossitis, the potential causes are:
Glossitis is often a symptom of other conditions, or problems, which can include;
- An allergic reaction to toothpaste, mouthwash, breath fresheners, dyes in candy or certain blood pressure medications (ACE inhibitors).
- A severe dry mouth, when the glands that produce saliva are destroyed.
- Bacterial infections or viruses, including oral herpes.
- Injury from burns, rough edges of teeth or dental appliances, or other trauma.
- A low level in iron (iron deficiency), certain B vitamins or lack of vitamin B12.
- Other skin conditions such as oral lichen planus, erythema multiform, aphthous ulcers, pemphigus vulgaris or syphilis.
You need to go to make an appointment with a dentist. If your lesions would be gone based on your experience, you can take a picture of it and show it when you see a doctor.