I’ve had IBS all my life (38) and am pretty sure I’m lactose intolerant. A few weeks ago I was quite bad with diarrhoea and going a lot. Gp did a fit test and a fecal calprotectin. The fit test was 66 (and the calprotectin level 70 something so in the borderline range. Obviously I was very worried. I’ve got little ones and keep thinking I’ve got cancer but I started eating much better and watching my lactose intake more and found my symptoms much better and back to regular bowel motions. Got referred for a colonoscopy, did the low residue diet for 4 days as I wanted to make sure they could really see things clearly. On the fourth day the colonoscopy got cancelled. By that point because of the low residue diet presumably and Only having white toast, eggs and chicken I was very constipated. Managed to go this morning with some difficulty but I now have a pile popped out about the size of a grape. I say a pile, I’ve never had one before so I’m hoping it’s that and nothing sinister. It’s really sore. I’ve got to start the low residue diet again tomorrow and I’m worried about the constipation making this worse. Can I take any laxatives or will that mess up the colonoscopy test? how on earth are they going to get a camera in past it. It hurts to put the cream on so I’m really dreading the test now more than ever? Also is it likely that this pile was inside and might have cause the positive fit test? Any advice gratefully received over here