General mycoplasma bronchitis infusion erythromycin seven days may be useful, if the condition is more serious, the infusion time may be prolonged, but for most of the patients with bronchitis, generally do not need to be treated with infusion, mild patients can be self-cured, the more serious symptoms can choose oral medication, for the oral is ineffective or combined with other underlying diseases can choose to infuse the treatment. To determine whether mycoplasma bronchitis infusion erythromycin for seven days is useful, need to be based on the actual situation. Erythromycin belongs to the class of macrolide antibiotics, which can be used clinically to treat infectious diseases caused by mycoplasma. Therefore, in general, mycoplasma bronchitis patients infusion erythromycin seven days is useful, can effectively treat the disease. However, some patients are resistant to erythromycin and may have an ineffective erythromycin infusion. For patients with severe mycoplasma bronchitis, the duration of erythromycin infusion needs to be prolonged before the efficacy of the treatment may appear. In addition, if the acute bronchitis, generally oral medication can be, and some of the mycoplasma infection is mild patients, no need for medication, there is the possibility of self-healing. In conclusion, mycoplasma bronchitis patients need to go to the hospital, if necessary, with the doctor active treatment, so as not to delay the disease.