Hi my son has been on antibiotics since November due to chest infection and urine infection he has had croup to he is also getting lots of mucus un his pooh he is not constipated and is also complaining about stomach pain this has been for just over a week and the pain comes and goes around the belly button sometimes his pooh is light brown yellow or green it sometimes has food in and blood... He has not had antibiotics this month luckily he isn't thiriving so the docter has referred him to see a pediatrician do you have any advice as I am worried thank you