In the vast majority of cases children’s medicines can not be mixed together, because there are many drugs mixed with each other tend to reduce the effectiveness of the drug, and even cause adverse reactions. For example, in the case of taking probiotics and antibiotics, it is necessary to take the two separately, and the two mixed together will greatly reduce the effectiveness of probiotics. In addition, some medications are alkaline, while some medications are acidic, mixed together will greatly reduce the efficacy of the two, and can play a chemical reaction, which is detrimental to children’s health, so children’s medications try to take separately.