my daughter is 3 month and 23 days old...she is having loose motion.....wat medicine to be given and in wat quantity??

A. no t to give at all loose stools are common in babies . Foamy stools are due to gas with motion and is normal. if baby cranky or dehydrated or having pain in stomach then can start  O R S solution to baby and stop milk or milk containing products at all . Also zinc drops along with econorm satchets or syp darolac 5 ml once a day . If it does not get better with in 2 days  then immediately see a doctor