4 doctors weighed in:
Why does dr pinch skin before he injects the novocain (procaine)?
4 doctors weighed in

Dr. Matthew Reeck
Dermatology
3 doctors agree
In brief: For your comfort
Pinching the skin while injecting causes nerve fibers to transmit the sensation of "pain" to the brain.
Once these fibers have sent their signal, they cannot immediately send another signal, which makes the actual injection more comfortable until the anesthetic has a chance to take effect. Also, pinching may be performed to protect an anatomic structure.

In brief: For your comfort
Pinching the skin while injecting causes nerve fibers to transmit the sensation of "pain" to the brain.
Once these fibers have sent their signal, they cannot immediately send another signal, which makes the actual injection more comfortable until the anesthetic has a chance to take effect. Also, pinching may be performed to protect an anatomic structure.
Dr. Matthew Reeck
Dr. Matthew Reeck
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