Common subcutaneous injection sites Download Scientific Diagram How to Remember Subcutaneous Dermal and Intramuscular Vaccines Medical Assistant TikTok Needle Injection Techniques Every Nurse Should Know! Whether you're prepping for your NCLEX or brushing up on your skills, here's a quick breakdown of the most common injection routes you'll encounter How to self administer subcutaneous B12 injection., 1. Withdraw proper dosage from vial into an insulin syringe, 2. Clean site of injection (abdomen or other proper site), 3. Pinch the skin where you