Pain in the left side of your abdomen can cause a great deal of discomfort and concern. This symptom may signal a variety of health issues from constipation to painful kidney stones. Understanding what can cause pain on left side of the abdomen can help you obtain the relief you need. Conditions Indicated by Left Side Abdomen Pain Pain on left side of the abdomen does not necessarily indicate that you have one of the following health concerns. Schedule an appointment with your physician to discuss your symptoms and work toward a proper diagnosis.