Intramuscular injections are administered into large muscles and offer benefits like rapid absorption and the capacity to hold more drug volume.
Intramuscular injections are given into large muscles using a 24- or 25-gauge needle and range from ¼" to 3" in length. This route is commonly used for medications like antibiotics and vaccines, offering advantages such as faster absorption and the ability to hold a greater volume of drug compared to subcutaneous injections.
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