It commonly causes pain in the upper left side of your belly, but it can spread around to your back. The pain is often worse shortly after you eat, especially if your meal was high in fat.

The left upper quadrant (LUQ ... Kidney conditions like kidney stones can cause side or back abdominal pain on the side of ...

People with a pain pattern that includes the shoulder blade routinely describe a loss of neck rotation (turning their head right and left), especially ... the neck or upper back is the source ...