The brown discharge five days after the menstrual period is considered to be ovulatory bleeding, but also may be related to vaginitis, cervicitis and other diseases. 1. Ovulation bleeding: five days after the menstrual period with brown discharge may be the menstrual period is relatively long, five days after the clean has been ovulation, due to hormonal changes in the body, there may be ovulation bleeding, and therefore will produce brown discharge, generally do not need to be treated. 2. Vaginitis: If vaginitis occurs, the vaginal mucosa is congested, red and swollen and easy to rupture, brown discharge may occur, you can use metronidazole, ornidazole, tinidazole and other drugs under the guidance of the doctor. 3. Cervicitis: Some patients have cervicitis or cervical polyps, which may also lead to brown discharge, especially after coitus, which is easy to occur after a small amount of vaginal bleeding. If this symptom occurs frequently, you need to actively seek medical examination and treatment.