Wiktionary
intramuscularly
adv. In an intramuscular manner; within a muscle
WordNet
intramuscularly
adv. in an intramuscular way; "administer the drug intramuscularly"
Usage examples of "intramuscularly".
The kind of operations patients underwent in the Trauma Unit required heavy doses of painkillers, doses that could only be administered intramuscularly or intravenously.