what is Canker Sore, treatment of Canker Sore, causes of Canker Sore

Canker Sore

  • Posted on- Mar 15, 2017
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Canker Sore is a type of ulcer that usually appears inside the mouth and causes constant pain and discomfort. Canker Sores are more common among people between the ages of 15-25. Canker sores are also known as aphthous ulcers. Canker Sore looks white or yellow and surrounded by red, inflamed soft tissue. There are two types of Canker sores: Simple canker sore which usually appears only three to four times a year and Complex canker sores which occur more frequently and takes more time to heal.

Causes of Canker Sores

One of the most common causes of appearance of mouth ulcers is a viral infection. Viral infections are often linked with conditions such as allergies, inflammatory bowel disease, nutritional deficiency and weakened immune system, which may trigger the development of ulcers in the mouth. Chances of developing mouth ulcers also increase if someone has a family history of canker sores. Other common causes of canker sores are:


Canker sores cause constant pain and discomfort while talking or eating. Some common symptoms of canker sores are:

  • Re-occurrence of mouth ulcers
  • Sores inside the lips, inner side of the cheeks, sores on tongue and upper portion of the mouth
  • Dry mouth
  • Inflammation in mouth
  • Sores that are spreading
  • Bleeding from the mouth
  • Fever
  • Lack of appetite
  • Constant tingling in the mouth

Diagnosis of Canker sores

A doctor can diagnose canker sore by simply examining it. After that, a he may order a diagnostic test which usually includes a blood test. A blood test will help the doctor in detecting if there is any hormonal imbalance or a vitamin or mineral deficiency. The diagnosis of canker sore will help in determining the suitable treatment.


Usually, symptoms of canker sore often disappear on its own in one or two weeks and there is no requirement of a medical treatment. Treatment of canker sore may include:

  • Brush and floss the teeth regularly to prevent the risk of developing bacterial infection.
  • Avoid sore, acidic, and spicy food, which may trigger the irritation in your mouth.
  • Eat fruits and vegetables to keep your digestive system healthy.
  • Use antimicrobial mouthwash after brushing. It will kill bacteria in your mouth.
  • Apply doctor recommended ulcer gel on the affected areas.
  • Have ice-cream or yogurt to cool down the inflammation due ulcers.


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