No,drugs like lactopeg are just for symptomatic relief,they are stool softeners,and are harmful in the long run. Stop bottle feeding if given,give just 2 milk feeds using a glass and 3-4 solid meals includi ng high fiber items such as cornflakes,dalia,green leafy vegetables,salad,and fruits like mango,pears,apple and oranges in the diet. Do this strictly for a week,if no response,go in for a X-ray of abdomen to rule out a major but very rare condition called hirschsprung's disease.