What should I do. My doctor put me on linzess for IBS consiptation last year 2015. After taking it for 2 months I still had no bowel movement. Then my doctor continued the Linzess and added Movanik. While I did have bowel movements 5 for months when I started taking Movanik in 2015. Now I don't have any bowel movements while taking both the drugs together each morning for breakfast. I have IBS/Gerd. I take diduda for pain.