My DH has had shoulder / back and neck pain for Around 4 weeks, it became apparent following a sports injury where he got shoved by another player. He has been in agony since , and has had been prescribed Naproxen which we both thought would help. He said it hasn't touched the sides , which worries me slightly it could be more serious... for example he isn't sleeping at night , he gets around 2 hours a night due to being so uncomfortable and in pain, he also cannot lift anything hardly . what could it be ? He is struggling to get a doctors appointment. Should I be worried ? Can he have anything else for the pain? Thank you.