It often affects the middle of the back and may feel like a dull ache. For some people, the pain may come and go. Pancreatic cancer causes different symptoms, including back pain. Back pain can ...

What Is SI Joint Pain? Injury, pregnancy, or uneven movement in your pelvis can cause low back, butt, and leg pain that's often worse after you've been sitting for a while. This may be because ...

Injuring one or more of these muscles can cause pain in the upper back and shoulder. Such injuries can also cause difficulty moving the arm or shoulder. Symptoms of muscle strain include a feeling ...