My OH has increasing problems with constipation. This has been a theme for a year now, and after a visit To a bowel specialist I managed to get a system going that helped - plenty of roughage hidden In his tiny meals, regular laxatives, and becoming a poo monitor. But over the last couple of months things have got worse agin, and despite the GPs changing laxatives and everything else I can think of, he is often going for up to a week without passing anything , or just small 'ribbons' which I assume are coming past the back log. How long can he go without a proper bowel movement without it causing harm?He does get increasingly, tired, confused and loses his appetite so it is not doing any good. I find our GP very wary of any interventions which leaves me feeling more than a little at a loss. What Have others experienced? Or am I worrying too much?