I don’t know about you, but when I was undergoing chemotherapy, I was so constipated that I was absolutely miserable. In fact, the constipation was one of the very worst side effects that I had from chemo. I think mine was caused by the fact that I simply could not make myself drink anything, not one drop of any liquid, for days after a treatment.
As I went through my treatments, I finally learned to make myself, as hard as it was, to drink water. The horrible packed feeling caused by the constipation was worse by far than the stomach-turning thought of drinking water.