My 4 year old daughter is passing mucus in stool for last 2 days.she passes stool on alternate days n it's hard n she strians while passing motion.i have noticed little blood coating the stool.she burps after having water n food. N passing fowl smelling gas.similar problem has occurred one month back.syp Metrogyl n flora BC syrup was given for 7 days n syrup carmicid also for 5 days.giving her boiled water n banana n green vegetables in food.iam worried about the mucus n blood.stool is hard in consistency. Please advise what to do.