Suggest Treatment To Regularize The Periods

hi im a cyliac and am irregular what can i do to be more reg- my docs got me havin yoghurt,apricot,prunes and apple for breaky and bisolaxs (2 @night) havin fiber in the mornin wont do much & the pills hurt my tummy but they do make me go infact too much- i was only going 3-4 times a month b4 the the fiber breaky & pills but now when i take the pills not only does my tummy hurt but i go every 2hrs & my solids have now turned into liquid & if i just have the fiber 4 breaky on its on i still dont go anymore than id like ,what can i do to @ least go every 2 day?