causes of sudden shoulder muscle pain
This section shows a full list of all the diseases and conditions listed as a possible cause of Sudden onset of shoulder pain in our database from various sources. 1  Bursitis. 2  Collarbone injury.  Dislocated shoulder.
âIf this is negative, presumably, the pain still has to be minimized or else therapy will only flare things more. Options include an anti-inflammatory or icing for acute pain, heat for chronic pain.â. So whatâs causing the sudden, severe shoulder pain? Itâs likely arthritis or shoulder impingement. Impingement is when the top of the humerus bone of the upper arm impinges upon one or more of the tendons of the rotator cuff, literally fraying it.