Dog Injections: Subcutaneous (SC) vs. Intramuscular (IM) — A Practical Guide
Clinically reviewed by Dr Ibrar Ahmed, DVM, PhD · August 2026 Many dogs need injections at some point — a diabetic dog requires daily insulin, an arthritic senior gets a monthly joint injection, and almost every dog receives vaccines. In day-to-day veterinary and at-home care, two routes do most of the work: subcutaneous (SC, under…