General
im
What does im mean?
Indicates a medication delivered by injection into muscle tissue, such as into the deltoid or thigh.
"Give the epinephrine IM in the lateral thigh."
Origin
Initialism of 'intramuscular.'
Frequently asked questions
What does IM mean for an injection?
It means intramuscular: the medication is injected into muscle tissue, such as the deltoid, thigh, or buttock.
What does IM stand for?
It is short for intramuscular.
How is IM different from SQ?
IM injections go deeper into muscle, while SQ (subcutaneous) injections go into the fatty layer just under the skin.
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