What Are Some Intramuscular Injection Sites?


Quick Answer

Some common intramuscular injection sites include the deltoid muscle of the arm, the vastus lateralis muscle of the thigh, and the ventrogluteal and dorsogluteal muscles of the buttocks, notes Healthline. The site depends on the amount of medication and the patient's age and size, notes Baylor Scott & White Health.

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Full Answer

The vastus lateralis muscle injection site is located by first dividing the thigh into thirds between the knee and the hip, states Baylor Scott and White Health. The site is on the outer side of the middle third and is typically used for toddlers and infants.

The upper outer quarter of the buttocks identifies the dorsogluteal muscle injection site, notes Baylor Scott and White Health. The site is ideal for both children and adults provided the medication doesn't exceed 4 millilitres.

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