I went to the hospital for debilitating shoulder pain. Came out 3 hours later with an xray that showed nothing wrong and a bottle of Ativan. Still no idea why

I went to the hospital for debilitating shoulder pain. Came out 3 hours later with an xray that showed nothing wrong and a bottle of Ativan. Still no idea why they gave that to me. I didn't take any of the pills. And the bill came out to over 7 thousand dollars.