Since you question was not “Can I IM [drug of choice]?” I presume that you are asking about methods for IM injection.
Orlando’s rapid guide to IM injection:
Syringe
Use a syringe with a 25-27 gauge long needle. Remember, you need to penetrate your skin and subcutaneous tissue (fat) before getting to the muscle. B&D makes great syringes.
Site
For a beginner self administration, I recommend the frontal-outboard side of your thigh. Administer the injection in an imaginary box (you may want to actually draw the box on you leg if it makes you more comfortable). You are basically aiming for your
vastus lateralis. Here’s how to find the site:
- The top of the box should be one hands length from you hip while sitting.
- The bottom of the box should be one hands width from your knee.
- The inboard side of the box should bisect your thigh as seen from the top.
- The outboard side of the box should bisect your thigh as seen from the side.
This site will accommodate doses of up to 5ml.
Clean the site as you would for IV. Using an alcohol pad (or paper towel with rubbing alcohol on it), begin at the injection site and make an outwardly-spiraling motion.
Injecting
This is best given sitting/reclining.
- Relax the muscle into which you are injecting.
- Holding the barrel of the syringe, quickly insert the needle at an angle perpendicular to your skin.
- Gently pull back on the plunger. If blood enters the syringe, remove the needle and start again with a new needle.
- Slowly push on the plunger, injecting at a rate of about 10 units per second.
- When the syringe is empty, remove the needle from your leg.
Notes
When pulling back on the plunger, if blood enters the syringe then immediately remove the needle. You have probably hit a vein and should not continue with the injection.
If you feel a burning pain while injecting, slow the rate of the injection.
If there’s enough interest in this, let me know and I’ll assemble a more comprehensive FAQ.
[fixed a typo]