is, in fact, a frequent side effect of chemotherapy
. First, you should drink more water, have a high fibre diet and take the tablets for contipation that your doctor prescribed to you. You should not avoid going to the toilet because you can have cause an anal lesion if you do so. You should also say to your doctor in the next visit that you got serious constipation, because that may result in a specific modification in the doses of chemotherapy. I hope my answer has been useful and hope you get better soon.