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A 18-year-old female asked:

What causes those annoying bumps in the back of your tongue from time to time? you know the painful ones thats there for a few days then leaves

1 doctor answer2 doctors weighed in
Dr. Andrew Hoffman
General Surgery 36 years experience
Cold Sores?: I think you are describing a cold sore. These are caused by viruses. They are similar to the viruses which cause common colds.
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Last updated May 30, 2017

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