I noticed that the injection was higher on my shoulder than usual. About 4 hours after receving th injection, I began experiencing sharp pain in my shoulder while working (using my arms). Pain slowly subsided over the next few days, but was still significant (5 out of 10 on my pain scale). It then began to increase and was aggravated by any normal use of my arm (work, exercise, yoga), particularly when reaching over shoulder height. OTC Ibuprofen is not helping. Began physical therapy (1 session so far). Pain yesterday and today is the worst it has been.