My son has been complaining on and off for about 6 months of left lower side pain that radiates to his back..I have been to his Dr and was told that it was constipation. Take it as it comes, however Cade is on Miralax and goes regularly. Now this past month we have been to the ER twice because he is in agonizing pain and screams at the top of his lungs that it hurts and nothing I do relieves the…