You should consult your family doctor if you experience canker sores that are large, last longer than 2 weeks, are so sore that you can't eat or drink. Also, inform your doctor if you have canker sores more than 3 times a year. There might be underlying causes of canker sores that also require diagnosis.
Generally, your family doctor or general practitioner can help you diagnose and manage a canker sore outbreak. Doctor can often make the diagnosis by looking at the sore. If canker sores persist or continue to return, tests should be done to rule out other causes.
Doctors first ask about symptoms and examine the local area of outbreak. No test is required to diagnose canker sores. A visual exam will suffice. If the doctor is unsure of the diagnosis, a sample of cells from the sore may be sent to the lab to check for bacteria or viruses as a possible cause. In some cases other health problems may cause or trigger the sores, so the doctor will request other tests, particularly if you have experienced severe or recurring canker sores.
Allergy testing - Allergy testing is usually recommended for people who experience frequent bouts of canker sores to determine if their sores are caused by an allergy or some other preventable cause.
Biopsy – Your doctor may perform a biopsy to rule out cancer and distinguish a canker sore from other causes of mouth ulcers. Canker sores are not cancer and do not cause cancer. There are types of cancer, however, that may first appear as a mouth ulcer that does not heal.
Blood tests – Blood tests can help determine whether or not chronic sores are caused by a nutritional deficiency or some other preventable cause.
Canker sores usually heal on their own. The pain usually decreases in a few days. Other symptoms disappear in 10 to 14 days. However, there are other treatment options available for canker sore treatment. To learn more about treating a canker sore, continue reading. The next section on Canker Sore Treatment reviews new canker sore treatment here.
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