10 Home Remedies for Canker Sores

Vitamin and mineral deficiencies are suspected of being causes of canker sores. Make sure you get enough of the right vitamins and minerals in your diet by checking with your doctor.

Other conditions can also cause mouth ulcers that resemble canker sores, including iron deficiency anemia, pernicious (vitamin B12 deficiency) anemia, folic acid deficiency, gluten intolerance, celiac disease and Crohn's disease.