Jonathan Struggling with Shoulder Pain? It Could Be Bursitis. Shoulder bursitis occurs when the bursaa fluid filled sac that cushions your shoulder jointbecomes inflamed, leading to pain, swelling, and limited mobility. Common A few weeks ago, I had a BPC157 injection in my shoulder to address some chronic pain Id been dealing with. Since the injection, the improvement has been remarkable. BPC157 is known for its ability Why You Need to Heal Before You Lift Again a science based breakdown of rotator cuff tendinitis and subacromial bursitis for anyone who's been told to "just rest it" without understanding why. Treating Your Shoulder Pain With Cortisone Injections: Dr. Matthew Pifer: Orthopedic Shoulder Surgeon Shoulder Bursitis From Overhead Painting Patient Overview A 58 year old who recently repainted their home experiences top shoulder pain when lifting the arm above 90. Assessment Tender subacromial area Painful arc during elevation Weak