Adding vasoconstrictor to local anesthetics can result in reduced systemic toxicity and increased duration of anesthetic because the vasoconstrictor reduces the rate of absorption.

Question

Quizplus · Accepted Answer

The statement is correct and the reason is related and also correct. Adding a vasoconstrictor to local anesthetics can indeed result in reduced systemic toxicity as it decreases the rate of systemic absorption. Additionally, it can increase the duration of anesthetic effect as it reduces blood flow to the area and hence prolongs the availability of the anesthetic agent at the site of administration.

Adding Vasoconstrictor to Local Anesthetics Can Result in Reduced Systemic