Pentobarbital was Utilized in a U.S. execution for The 1st time in December 2010 in Oklahoma, as A part of A 3-drug protocol.[16] In March 2011 pentobarbital was used for The 1st time as the sole drug in a very U.S. execution, in Ohio. Due to the fact then numerous states as well as the federal governing administration have made use of pentobarbita