Bacterial prostatitis after ten days of azithromycin or urinary frequency and urgency, may be related to the infection is more serious, the medication is unreasonable, the existence of other diseases and other factors. 1. The infection is more serious: if the bacterial prostatitis is more serious, after the treatment with drugs, the infection factor is not completely eliminated, there will be mild urinary frequency and urgency, may also need to continue to use drugs for treatment. 2. unreasonable medication: due to the presence of bacterial infection, the use of azithromycin for treatment, this type of drug for the causative organism is not very sensitive, it can not control the infection, need to carry out drug sensitivity test, choose sensitive antibacterial drugs for treatment, only to have a certain effect. 3. other diseases: when bacterial prostatitis combined with other diseases such as urethritis, only for bacterial prostatitis treatment, and urethritis is not cured, there will still be frequent urinary symptoms. When using medication, patients must follow the doctor’s instructions, safe and reasonable use of medication, do not indiscriminate use of medication to avoid causing adverse reactions.