Intramuscular injection (IM) is installing medications into the depth of specifically selected muscles.The bulky muscles have good vascularity, and therefore the injected drug quickly reaches the systemic circulation and thereafter into the specific region of action, bypassing the first-pass metabolism.It is one of the most common medical procedures to be performed annually.However, there is still a lack of adherence to recommended guidelines and an algorithm for giving IM among health professionals worldwide.