Canker Sores are not cold sores.
Canker sores is called aphthous stomatitis, not cold sores.
Canker sores are usually found on the mouth such as the tongue or the inner inings of the lips and cheeks. The sores start as small round or oval reddish swellings which then burst within a day. A thin white or yellow membrane covered the burst sores surrounded by a red edge.
Canker sores vary in size from an eighth of an inch wide in mild cases to more than an inch wide in severe cases. In severe cases, canker sores may form scars.
Fever is not common. Usually a person will only have one or a few canker sores during the episode. Generally, they heal within 2 weeks .
Most people have canker sores between the ages of 10 and 20.The sores are rarely associated with other diseases.
Most people will have only one or two episodes a year while some other people can have a continuous period of canker sores.
What causes canker sores?
The cause of canker sores is unknown.
In all cases canker sores have no causative relationship to viruses or bacteria.
The cankersores may be due to
1.an allergic reaction to certain foods
2.an abnormal immune system that causes the body’s defenses to attack and destroy the normal cells of the mouth or tongue.
3.nutritional deficiencies, especially lack of vitamin B12, folic acid and iron
4.gastrointestinal problems, such as an inability to digest certain food.
5.Female sex hormones can cause many women to get bouts of the sores during certain phases of their menstrual cycles.
Pregnant women experience improvement of their canker sores. Hormone therapy has success in treating some women of canker sores.
6.stress can affect the body immune system to cause canker sores
7.injury to the mouth can also cause canker sores.
Who is susceptible?
Canker sores occur more often in women than in men.
Genetic studies suggest that canker sores is inherited in some families.
What are the treatments for canker sores?
1.Blood and allergy tests are done to determine if the cause is a nutritional deficiency or an allergy or some other preventable cause.
2.Vitamins and nutritional supplements often help to reduce the severity of canker sores in patients with a nutritional deficiency.
3.Patients found to have food allergies can reduce the recurrences of canker sores by avoiding those foods.
4.numbing ointments such as benzocaine can reduce the pain of canker sores for patients
5.Anti-inflammatory steroid mouth rinses or gels can relieve patients with severe sores.
6.Mouth rinses containing the antibiotic tetracycline may reduce the symptoms of canker sores and help healing by preventing bacterial infections in the sores. Rinsing the mouth with tetracycline several times a day usually relieves pain rapidly and allows complete healing in 5 to 7 days.
6.In severe recurrent canker sores, patients may be prescribed steroid or other immuno-suppressant drugs orally under the close supervision of a dentist or physician.
What are the preventive measures?
1.avoid abrasive foods such as potato chips that can get stuck in the teeth or gum
2.Be careful of strenuous brushing your teeth to prevent hitting the gums or cheek with a toothbrush.
3.Avoid acidic and spicy foods.
4.Canker sores are not contagious so there is no danger of spreading them to other people.












