ive been put on movicol as got ibs and it ment to be good for constipation, well ive been taking it , it works but im very very loose,, will it stop my birth pill from working or any of my other med as im on toliet every hour and half i reckon, sorry for the detail. i take three a day ,, but you can take six ,, my days that would blow my bowels, lol, they are powders you put in water,