Is this the right size needle for im injections? : r B12_Deficiency Do You Need a Prescription for B12 Injections? OmegaQuant like, swipe, and save for when it's your turn to do an injection on a patient Intramuscular (IM) Angle: 90 Needle Size: 2225G, 11.5 inch Med Examples: Vaccines (e.g. Tdap, What Are B12 Injections? And Are They Safe? OmegaQuant Dr. prescribed B12 injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r B12_Deficiency How to Give a B12 Injection: Step By Step Instructions