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A 33-year-old female asked:

Breastfeeding. had a local anaesthetic injection during dental filling work. had distorted vision, numb tongue immediately after injection. why?

1 doctor answer2 doctors weighed in
Dr. Elton Behner
Dentistry 38 years experience
Likely two different: things happened, injection directly into a small artery can cause a vision change temporarily; injection very close to or into part of the lingual nerve route will cause the side of the tongue to go numb immediately. All should resolve with time.
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Last updated Oct 14, 2017

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