why does it pain left side of abdomen and back
Diverticulitis is a common cause of left lower abdominal and back pain, and an increasingly frequent reason for hospital stays. As you age, small pouches can develop along the walls of the colon. Most commonly, these pouches develop in the sigmoid colon, located on the left side of the abdomen. woman clutches her lower left back as if in some pain in that area. Photo Credit Wavebreakmedia/iStock/Getty Images. Experiencing pain in both your abdomen and back can be overwhelming and frightening. Pain in the left lower abdomen and back can signal a problem with any of a number of organs in the abdomen.