Part 1 of this two-part series on injection techniques describes the evidence base and procedure for administering an intramuscular injection. This updates an article previously published in 2018.

Intramuscular injection remains a cornerstone of clinical practice, offering rapid drug absorption and efficacy when performed correctly. However, its success is intrinsically linked to precise ...

There were 259 subjects included in this study, including 122 children/adolescents and 137 adults (Table 1). The detailed demographic data are shown in Table 1. Skin thickness varied minimally with ...

Testosterone substitution in male hypogonadism is a recognized tool to treat symptomatic patients. Various forms of this treatment exist including a long-acting intramuscular form using testosterone ...

Objective—We aimed to establish the ideal injection techniques using 5-mm needles to reliably inject insulin into the subcutaneous fat in both children and adults and to quantify the associated pain ...