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A 30-year-old member asked:

Why does the drug xylocaine (lidocaine) sometimes contain epinephrine?

2 doctor answers2 doctors weighed in
Dr. David Tambor
Pain Management 36 years experience
To help it last long: Dentist use xylocaine (lidocaine) with Epinephrine to extend to effective anesthesia time.
Dr. Shadi Abu Halimah
Vascular Surgery 21 years experience
Long action: Epinephrine will allow using higher dose of xylocaine (lidocaine) and so will work longer time. Also it will cause spasm in blood vessels and this will limit bleeding.

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Last updated Jun 25, 2014
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