The most common symptoms of a rotator cuff tear include:

Pain at rest and at night, particularly if lying on the affected shoulder
Pain when lifting and lowering your arm or with specific movements
Weakness when lifting or rotating your arm
Crepitus or crackling sensation when moving your shoulder in certain positions

A rotator cuff injury can make it painful to lift your arm.
Tears that happen suddenly, such as from a fall, usually cause intense pain. There may be a snapping sensation and immediate weakness in your upper arm.

Tears that develop slowly due to overuse also cause pain and arm weakness. You may have pain in the shoulder when you lift your arm, or pain that moves down your arm. At first, the pain may be mild and only present