mam she drinks only fr five minutes, n never touches next breast, after some time she vomit out milk, n I feel my breast r empty, that's y she is not getting anything. pls help, m really confused

It is possible that your milk let down is very rapid. Try feeding the baby in an upright position. You can also try expressing a little milk and then latching the baby so that the flow is a little slower and baby is able to handle the quantity.