“It might cause a tingly, burning mouth after brushing,” leading to canker sores, says Dr. Fazia Mir, a gastroenterologist in Albuquerque, who treats patients with these ulcers. Finding a ...

Abscess If you notice a painful bump on the roof of your mouth, it could be an abscess—an infection that forms when bacteria ...

Health experts have warned that two painful signs in the mouth could signal a potentially dangerous deficiency. These “sore” symptoms could mean that you are low in vitamin B12. Our bodies ...

During cancer treatment, patients face numerous challenges beyond the disease itself. One lesser-known but painful side effect of cancer treatment is the ‘chemo mouth,’ a condition that can ...

Two such signs can manifest in the mouth. The Cleveland Clinic points out that a physical indicator of B12 deficiency is a "sore" mouth and tongue. The NHS also cites a "sore and red tongue," or ...