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What causes canker sores

A 20-year-old female asked:
Dr. Phillip Frist
Dentistry 46 years experience
Herpes virus: Usually the sore starts with a tingly sensation then may feel feverish and swollen then becomes painful and you will notice a raised blister or sore w... Read More
Dr. Richard Ruden
Dentistry 38 years experience
Several: The exact cause of most canker sores is unknown. Stress or tissue injury is thought to be the cause of simple canker sores. Certain foods -- including... Read More
Dr. Paul Grin
Pain Management 36 years experience
Idiopathic condition: No one knows what causes canker sores. They may be caused by a virus, may be a form of allergic reaction or may result from an auto-immune condition. ... Read More

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A 23-year-old male asked:
Dr. Michael Fisher
Dermatology 32 years experience
Canker Sores: Possible triggers for canker sores include: a minor injury to your mouth from dental work, overzealous brushing, sports mishaps, spicy or acidic food... Read More
Dr. Kayvon Javid
Dentistry 20 years experience
Not very well known: The exact cause of canker sores is unknown. Stress or tissue injury is thought to be the main cause of simple canker sores. Certain foods can also cau... Read More
A 19-year-old male asked:
Dr. Gary Sandler
Dentistry 54 years experience
Canker sores: Cause is generally unknown although stress, local irritation, autoimmune response likely culprits. They hurt because the surface epithelium (similar t... Read More
Dr. Paul Grin
Pain Management 36 years experience
Canker sores: are the most common oral lesions. A canker sores on tongue affects the ability to eat comfortably. Individual ulcers typically last 1-2 weeks. The con... Read More
A 47-year-old member asked:
Dr. Gary Sandler
Dentistry 54 years experience
Canker sores: The cause of canker sores is not fully understood. Many triggers are suspected. See the following website for more information: http://www.Mayoclinic.... Read More
A 33-year-old member asked:
Dr. Sal Aragona
Dentistry 41 years experience
Prevention: Canker sore or more specifically aphthous ulcer can be prevented by avoiding a common foam detergent found in most toothpastes called sodium laurel su... Read More
A 16-year-old female asked:
Dr. Daniel Rubenstein
Dentistry 51 years experience
Canker sores: There is no definitive cause of canker sores (aphthous ulcers). Canker sores often occur due to stress, irritation, injury. They may also occur with h... Read More
A 30-year-old member asked:
Dr. Gary Sandler
Dentistry 54 years experience
Canker sores: The cause of canker sores (aphthous ulcers) is not fully understood. I have found it usually occurs when a patient is under stress and there is some ... Read More
A 35-year-old member asked:
Dr. Gary Sandler
Dentistry 54 years experience
Canker sores: With limited space here, see this website for all the information you need about canker sores (aphthous ulcers) : http://www.Mayoclinic.Org/diseases-c... Read More
A 35-year-old female asked:
Dr. Michael Green
Dentistry 9 years experience
Avoid those foods: Your complaint is very common and the simple answer is to avoid those foods! canker sores occur as a reaction to some types of allergens, such as cit... Read More
A 48-year-old member asked:
Dr. Stevan Cordas
Internal Medicine 57 years experience
Ulcerative colitis: It would be useful if you also have a documented secretory IgA deficiency or another form of selective immunoglobulin dificiency. Some publications of... Read More

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