 [ Symptoms ] can prenatal vitamins be making my baby gassy  i am bottle feeding breast milk to my baby trying to figure out what in my diet if anything can be contributing to her gassy belly she falls asleep while eating and 20 min later is crying arching her back and kicking her doctor says she is fine but i want to know if there is anything more i can do i have started giving her gas drops and that helps some [ Disease ] hi less likely to be ms but cannot be ruled out completely unless you get it confirmed by blood tests vitamin b12 deficiency is the most likely cause get blood tests done start on vitamin supplements thanks