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How to Inject Testosterone 

For all patients who have questions or need assistance with an injection please text your REGENX Health provider directly

How to Inject Testosterone

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General Questions

What is an intramuscular injection?


An intramuscular injection (IM) is a method to deliver medication deep into muscle tissue. Deep muscle tissue delivery allows the medication to enter and be absorbed into the bloodstream quickly. Testosterone medication is injected intramuscular.




What needle should I use for an IM?


Needles for IM shots are typically 22-23 gauge, 1-1.5 inches in length, adjusted for the thickness of the injection site. Intramuscular shots enter and exit the skin at a 90° angle.

If you are determined to be a candidate for testosterone replacement therapy (TRT) or similar treatments requiring intramuscular injections, REGENX Health will provide the needles necessary for your IM injections.




How can I reduce discomfort?


The following tips can help reduce pain at the injection site:

  • Ensure medicine you are injecting is at room temperature.
  • Remove all air bubbles from the syringe prior to injection.
  • Allow skin to dry after using an alcohol wipe and before injection.
  • Keep muscles in the injection site relaxed.
  • Use the needle to break through the skin layers quickly.
  • Do not change the needle’s direction as it enters or exits the injection site.
  • Never reuse disposable needles.
  • Rub the skin with the alcohol prep for 1 minute, to numb the skin, prior to injecting the medication.




How do I dispose of “sharps”?


Improper disposal of sharp objects include syringes can pose a health risk and damage the environment. Most U.S. stats offer residents a safe needle disposal program through local solid waste divisions. For more information on storing and disposing used needles, visit Safe Needle Disposal.





How To Peform A Testosterone Injection

What is an intramuscular injection?


An intramuscular injection (IM) is a method to deliver medication deep into muscle tissue. Deep muscle tissue delivery allows the medication to enter and be absorbed into the bloodstream quickly. Testosterone medication is injected intramuscular.




What needle should I use for an IM?


Needles for IM shots are typically 22-23 gauge, 1-1.5 inches in length, adjusted for the thickness of the injection site. Intramuscular shots enter and exit the skin at a 90° angle.

If you are determined to be a candidate for testosterone replacement therapy (TRT) or similar treatments requiring intramuscular injections, REGENX Health will provide the needles necessary for your IM injections.




How can I reduce discomfort?


The following tips can help reduce pain at the injection site:

  • Ensure medicine you are injecting is at room temperature.
  • Remove all air bubbles from the syringe prior to injection.
  • Allow skin to dry after using an alcohol wipe and before injection.
  • Keep muscles in the injection site relaxed.
  • Use the needle to break through the skin layers quickly.
  • Do not change the needle’s direction as it enters or exits the injection site.
  • Never reuse disposable needles.
  • Rub the skin with the alcohol prep for 1 minute, to numb the skin, prior to injecting the medication.




How do I dispose of “sharps”?


Improper disposal of sharp objects include syringes can pose a health risk and damage the environment. Most U.S. stats offer residents a safe needle disposal program through local solid waste divisions. For more information on storing and disposing used needles, visit Safe Needle Disposal.