Canker Sore


Canker sore, also known by medical term aphthous ulcer or recurrent aphthous stomatitis (RAS), is a relatively common condition that typically occurs on the oral mucosa. It is a very painful condition characterized by recurrent, multiple, small round, or ovoid ulcers with circumscribed margins, having yellow or gray floors surrounded by erythematous haloes. These sores can occur anywhere in the mouth.

The exact reason why Canker sore develops is not yet clearly defined. Predisposing factors of canker sore include:

  • Genetics: Approximately 40% of people who get Canker sore have a family history of the same.
  • Trauma: Trauma to the oral mucosa occurs due to sharp tooth, dental treatments, and tooth brush injury and will predispose oral mucosa to the development of Canker sore.
  • Tobacco: Several studies demonstrate negative association between smoking and Canker sore
  • Drugs: Some drugs which include angiotensin converting enzyme inhibitor captopril, gold salts, nicorandil, phenindione, phenobarbital, and sodium hypochloride may predispose oral mucosa to develop Canker sore.
  • Hematinic deficiency: Deficiencies of iron, vitamin B12, and folic acid predispose oral mucosa to develop Canker sore.
  • Gluten sensitive enteropathy/Celiac disease
  • Oral hygiene products containing Sodium lauryl sulfate
  • Hormonal changes
  • Stress

There is no cure for Canker sore. Most recurrent minor Canker sore heal within 1-2 weeks without any treatment. The main goal of treatment is to lessen the pain and discomfort, and to promote healing. Whereas Vi-one Antifungal mouthwash contains antioxidant agents such as vitamin E and Zingiber extract which can decrease pain of Canker sore.