Which prescription abbreviations specifically require the medicine to be delivered by injection?

po
npo
iv
p. r.
im
inj.
a. c.

NPO , IV, IM , Inj  requires the medicine to be delivered by injection

Explanation:

The terms that refer to the route of the medicine which should be strictly delivered through injection are as follows,

NPO which is nil per os, meaning no food or fluid should be taken through bowel. IV means intra venous, that is, the drug should be injected inside any vein. IM means intra muscular, which means drug should be injected inside a particular muscle. Inj refers to injectable drug as a class of drug

The administration should take action.