A member asked:

What tests or viruses or diseases can be detected from a swab on a chronic tongue ulcer?plz be specific and elaborate

A doctor has provided 1 answer
Dr. Joel Teig answered

Bacterial infections: Swabbing the tongue, whether an ulcer exists or not, will pick up bacteria that sits on top of the tongue and between the little crevices on the tongue. These bacteria could disclose bacteria in the mouth and superior portion of the throat.

Answered 9/4/2019

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