#asktheexperts My daughter is 4 months old nd whenever I feed my daughter she instantly poops..As she is on formula feed..poop is thin vd odour..when she burps then milk comes out vd it nd it seems to b dat it lyk sour type of bcz she makes faces at that tym..

A. It could be due to lactose intolerance also that your child is pooping instantly after taking a feed and then your child is having a foul smell in the motion which is why I think it would be good for you to consult your doctor if required get a stool test done for your child