What are the signs and symptoms of frozen shoulder? The major symptoms of frozen shoulder are pain and loss of motion The onset of symptoms may be gradual or sudden, depending on the cause of the condition. With primary adhesive capsulitis, the onset of symptoms is usually gradual. A sudden onset of symptoms may follow an injury to the shoulder. The pain and loss of function associated with this condition can become so severe that it can significantly affect the quality of life, and prevent some patients from sleeping well or working.