my daughter aged 10 yrs has been complaining of stomach ache and going to tiolet multiple times since last night .Doctor has prescribed cetil250 (1/2 tablet at a time) for three days .but this does not seem to help.she is still complaing of stomach ache and going to tiolet multiple time. Along with CETIL250 ,1/2 table of DROTIN was also presribed.What should I do should I increase the dose or wait.What is th function of CETIL250 adnDROTIN