An intramuscular injection delivers medication into a muscle. Doctors frequently use intramuscular injections to administer vaccines and certain other drugs. Injection sites include the upper arm, hip ...

Most people know the feeling of getting a shot and having your arm feel sore for several days afterward. Some might even expect it as a side effect. The soreness happens when medications are injected ...

Intramuscular injection remains a cornerstone of clinical practice, offering rapid drug absorption and efficacy when performed correctly. However, its success is intrinsically linked to precise ...

Part 1 of this two-part series on injection techniques describes the evidence base and procedure for administering an intramuscular injection. This updates an article previously published in 2018.