PRP Injection for Knee Pain Relief How to relieve shoulder pain? Steroid injections are often used to treat shoulder pain caused by inflammation like bursitis, tendonitis, or rotator cuff irritation. The medication is injected Too often, BPC 157 gets boxed into a single use: injury recovery. Gabriel Alizaidy, MD, MS Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype BPC 157 Explained: Benefits, Safety & Oral vs Injectable Options