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 B12 Injections at Home Safety Guide for Self Administration Infusion For Health Types of injections explained! Understanding the angles: intramuscular (im) : injects deep into the muscle at 90. subcutaneous (sc) : goes under the skin at 45. intravenous (iv) : B 12 (Methylcobalamin) Therapy MedClub by Dr Jenn Learn how to administer your own SubQ (subcutaneous) injections at home with confidence. Our step by step guide covers everything you need to know, from preparing your supplies to safely injecting the medication. Our Subcutaneous vs intramuscular what's the difference? #vitamintherapy #theb12store #injection