Can't pass bowl movement. take stool softened and have dierria pains still in left side back what to do?

Work from below: When you have a strong urge to have a bowel movement and can't, work from below. Try inserting a glycerin rectal suppository or a dulcolax suppository. If this is unsuccessful, administer a fleets enema. You could also try a low tap water enema. If these fail you may have to be manually disimpacted by a professional especially if you have abdominal discomfort or distension.