Canker sores are a very painful and irritating problem, but those who are prone to them can still do something for themselves.
First of all, when canker sores appear, avoid spicy and acidic foods that can further irritate them. Brush your teeth after every meal to prevent the development of bacteria in the mouth and to heal the canker sores sooner.
Also, if you get canker sores too often, get a toothpaste without sodium lauryl sulfate, which irritates the mucous membrane and potentially causes canker sores.
It is also possible that these hard growths occur due to a lack of certain nutrients, such as folate, iron and vitamin B12.
Enrich your diet with legumes, spinach, broccoli, eggs and tuna, and if you don't have the time and will to introduce more radical changes in your diet, talk to your doctor about the possibility of taking supplements.
Stress can also be a trigger for canker sores, so make sleep and relaxation your priorities.
In rare cases, canker sores are associated with inflammatory bowel disease (Crohn's disease and ulcerative colitis), as well as HIV.
When you notice that some part of your oral cavity is unusually sensitive, try swishing salt water in your mouth. Canker sores usually go away after a few days, but if the pain is so bad that you can't eat, ask your doctor about a special corticosteroid-based mouthwash.
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