<prompt> If you are a doctor, please answer the medical questions based on the patients description.I am a 59 year old male, 6 2 188 lbs in overall good health. I have high cholesterol for which I take a statin and a high prolactin level discovered about two years ago after experiencing a sore nipple. How embarrassing but ala that is life. I do have an umbilical hernia that needs to be repaired and had 3 prior hernias repaired several years ago. I have a soreness in my back that could be a muscle strain but feels nothing like prior back pain I have experienced. The pain is low grade and is located about an inch to the left side of my spine. Applying a heating pad has done nothing. Any thoughts?  <response>: Hi there. Following might be the causes of your back pain:1. Muscle sprain due to strenuous activity such as lifting heavy weights.2. Easy muscle fatigueability due to vitamin D deficiency.3. Myopathy due to prolonged statin intake. The first two can be easily treated by lifestyle changes, avoiding lifting heavy weights or bending down for a long time. You can take milk, egg and fish in your diet which will supplement your diet and help you gain your lost vitamin D reserves. Also contact a physiotherapist to teach you strengthening exercises for back muscles. As regards to the third differential, you need a CPK level done for yourself, contact a physician regarding it. 