The baby’s several kinds of drugs do not mix together orally, for the following reasons: 1, several kinds of drugs at the same time for oral easily stimulate the baby’s stomach and intestines, may cause nausea, vomiting, diarrhea, bloating and so on the occurrence of the situation. 2, several kinds of drugs at the same time for oral, it is possible that the drug will be reacted with each other to offset each other medicinal properties, such as bacterial and mycoplasma mixed infections, cephalosporin antibiotics orally are morning and evening For example, in the case of mixed bacterial and mycoplasma infections, cephalosporin antibiotics should be taken orally in the morning and evening; anti-mycoplasma drugs such as azithromycin or erythromycin should be taken orally 3-4 hours apart from cephalosporins. Such as oral azithromycin can choose to oral at noon, so that the drugs will not affect each other effect, more conducive to absorption, but also will not stimulate the baby’s stomach and intestines, so several kinds of drugs are best not to mix together oral.