A 22-year-old male asked:
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i believe i have a canker sore on my gum. if so can they cause swollen lymph nodes underneath the mandible?

1 doctor answer
Dr. Martin Raff
55 years experience Infectious Disease
Canker sore: Any form of inflammation can produce enlarged and tender regional lymph nodes. This does not guarantee that is what is happening to you, but it makes sense. You should of course be vigilant for other things like an infected tooth or gums. Good luck.
Answered on Mar 11, 2017
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A 24-year-old male asked:
Dr. John Chiu
Dr. John Chiu answered
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Probable: Although the cause of canker sores remain obscure, stress and perhaps even another viral illness may trigger them. Thus it is not difficult to imagine ... Read More
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A 33-year-old female asked:
Dr. Louis Gallia
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Probably: Probably. Your doc should prescribe antiviral medication. See https://www.cda-adc.ca/jcda/vol-68/issue-4/247.pdf
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Dr. John Goldman
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Yes: These lymph glands drain the area where the canker sores are located. The irritation can cause the lymph glands can get enlarged. There could be an ... Read More

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