The main reason for canker sores is biting the inside of mouth or cheek when eating. It can be hereditary or may also cause due to food allergies and viral infection.

Symptoms of canker sore inside mouth are – burning or a tingling sensation, sore erupting as a red bump, swollen lymph nodes, uneasiness and weakness feeling.

Prevention of canker sores in mouth can be done by chewing food carefully. To avoid and control canker sores, increase the intake of vitamin B12 and iron supplements.

Natural treatment for canker sores include

For treatment for canker sores, diet should consist of whole grain products and green leafy vegetables. Consuming yogurt is also good for canker sores in mouth cure.