What Happens If You Inject B12 Into Fat? PA Relief How to Use These 4 IM Injection Spots Safely 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 (SC) and Intramuscular (IM) Injections Must Knows for Subcutaneous administration: Pinch skin with non dominant hand and hold syringe with dominant hand Always inject: 2 inches away from umbilicus (for abdomen) 3 inches Ivy Grove Surgery : Self administration of B12 injection Subcutaneous Injection: What It Is and How to Give One