However if the symptoms suddenly occurred on their own or they are chronic you should have a definitive diagnosis involving imaging. If this shows you have a rotator cuff injury definitive surgery may well be your best option
OOPS ! Mea lots of culpa ! Radgirl is quite correct ; I fell into the trap which all students at medical school are taught strictly to avoid ; namely accepting the patient's own diagnosis without demur !
The quote above is probably the best bit of our combined replies. I would also, in that case, echo her advice to see a consultant who is an acknowledged expert in that particular anatomy.
Going off to get my supper now . . . . . . a helping of humble pie !