U.S. doctors online nowAsk doctors free
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 38 years experience
To help it last long: Dentist use xylocaine (lidocaine) with Epinephrine to extend to effective anesthesia time.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Shadi Abu Halimah
Vascular Surgery 23 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.
Created for people with ongoing healthcare needs but benefits everyone.

Related questions

A 35-year-old member asked:
Could i give my self a lidocaine HCl 2% epinephrine 1:000 injection?
1 doctor answer1 doctor weighed in
A 46-year-old member asked:
Do they make the lidocaine/xylocaine viscous in 5%?
1 doctor answer1 doctor weighed in
A 33-year-old member asked:
Need to know if you would die if you shot up lidocaine and epinephrine?
1 doctor answer1 doctor weighed in
A 37-year-old member asked:
Can "lidocaine HCl + epinephrine" be used for cleaning silver pieces like coins?
1 doctor answer1 doctor weighed in
A 28-year-old male asked:
What is the definition or description of: xylocaine (lidocaine) allergy?
4 doctor answers19 doctors weighed in
Last updated Jun 25, 2014
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $44!
50% off with $19/month membership

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.