Cefdinir is generally taken for 5-7 consecutive days, and the specific course of treatment should be taken according to medical advice. Cefdinir is a third-generation cephalosporin, mainly used for the treatment of infectious lesions caused by sensitive bacteria, such as streptococcus, staphylococcus, katamora, pneumococcus, Haemophilus influenzae and Escherichia coli, etc. Adults generally take the normal dose for 5-7 days, children need to reduce the dose, and do not take more than 7 days, to avoid prolonged use of antibiotics caused by bacterial disorders in the body, resulting in secondary infection In addition, for some patients, the antibiotics can be taken in the morning. In addition, for some patients, can be extended under the guidance of a physician, can not stop or extend the duration of medication, otherwise it will lead to incomplete treatment of the disease or damage to health. Children and pregnant women can also use third-generation cephalosporins, which are safe for such people, but they should also pay attention to the issues of dosage and duration of administration.