Why does the flu shot need to be in the arm? Is there a reason besides comfort?
In: Biology
Intramuscular injections (IM) have to go in a muscle large enough for the amount of medication being delivered. I forget what the exact amounts are, but it could be that .5 cc can go in deltoid (arm), while 1 cc would have to go ventrogluteal (hip).
Out of curiosity, is there a location you would prefer to the arm? Most people prefer it.
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