A member asked:

Is it normal to last a mouth ulcer like sore last more than three weeks without healing? doctor gave me antibiotic still it's getting bigger?

10 doctors weighed in across 6 answers

No: If an ulcer is not resolved after three weeks, i would suspect a systemic cause or a local irritant. I would highly recommend you seek the services of an oral surgeon asap.

Answered 10/3/2016

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NO: I would call your dentist or see someone more specialized to have the ulcer reexamined.

Answered 9/28/2016

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No, it's not normal: There could be a variety of reasons for its continuing enlargement including wrong spectrum of the antibiotic, pathologic condition like oral cancers and possible root canal(nerve) problems. Should be looked at by general dentist or oral surgeon.

Answered 7/6/2013

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No...not normal: If it"s been 3 weeks & it"s not healing and still getting bigger...Get it checked out asap! could be something serious...& catching it earlier is very important.

Answered 8/13/2012

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Dr. David Schneider answered

Specializes in Dentistry

No: Oral ulcers normally heal in 10 days. See an oral surgeon or an oral medicine specialist for and examination.

Answered 10/3/2016

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No it is not "normal: You should have the problem reevaluated. An antibiotic is only helpful for a bacterial infection.

Answered 8/15/2012

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