What is the term for the route of medication administration that involves injecting into the muscle?

The term for the route of medication administration that involves injecting into the muscle is intramuscular. This method is commonly used for vaccinations, certain medications, and hormonal therapies because muscles can absorb larger volumes of medication compared to other routes. When administered intramuscularly, the medication is deposited within the muscle tissue, where it is then absorbed into the bloodstream more quickly than subcutaneous injections, which occur just beneath the skin.

Intramuscular injections allow for a rapid onset of action and are particularly beneficial for medications that need to be absorbed reliably and effectively. The technique is suitable for patients of various ages, and common sites for these injections include the deltoid muscle of the arm, the gluteus medius of the hip, and the vastus lateralis of the thigh. Understanding this method is crucial for a Certified Medical Assistant, as it is a frequently used route in patient care.