Symptoms of a Mouth Ulcer
Mouth ulcers are also known as canker sores. They often develop in the base of the gums or in the mouth. Possible causes include food allergies, biting the cheek, hormonal changes, hard brushes, vitamin deficiencies, diseases, or bacterial infections. In most cases, mouth ulcers often disappear in two weeks. They are not uncommon and can be uncomfortable. However, if you feel extremely painful or worsening symptoms, such as diarrhea, fever, trouble eating, or slow healing, make sure to seek immediate medical services to prevent further complications. [2]
