Use an 18- to 23-Gauge Needle for Thick Injectables Like Testosterone

Selecting the right needles and syringes can be confusing.

Use these rules of thumb to help you pick the right one.

NEEDLE LENGTH depends on the injection location. In general, dispense 1/2" to 5/8" needles for many subcutaneous injections. These are short enough that they don't go too deep...and accidentally hit muscle.

Practical advice for a better career, with unlimited access to CE

Pharmacy Technician's Letter includes:

  • 12 issues every year, with brief articles about new meds and hot topics
  • 200+ CE courses, including the popular CE-in-the-Letter
  • Helpful, in-depth Technician Tutorials
  • Access to the entire archive

Already a subscriber? Log in

Volume pricing available. Get a quote