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A member asked:
My left tonsil had a canker sore on it but now my right tonsil has a canker sore on it, the sores hasn't got a border around it, what could cause it?
A doctor has provided 1 answer
Be sure of diagnosis: Get examined please. Canker sores are common aphthous ulcers of mouth that occur situationally, often in response to stressors, are bacterial or viral, & can be treated topically with many otc products that reduce local discomfort & potentially speed healing. However, oral/dental problems & a number of systemic diseases cause canker sore-like lesions--crohn's, behcet's, STD to mention a few.
Answered 1/25/2017
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People also searched for:
What could cause a sudden incidence of canker sores on the inside of mouth and lips? Theyre not cold sores and I haven't had sex recently to contract HIV or anything. I never get them now I have 4-5 sore persistent ones all at once. I also eat good.
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