To determine the cause of abnormal discharge, the doctor may ask about any additional symptoms, a person's general health, and their sexual history. Privacy Terms Ad policy Careers. Learn how to tell the difference between normal anxiety and an anxiety disorder as well as…. A late discharge at the end of your period can look brown instead of red. Abnormal vaginal drainage you have any concerns regarding whether a discharge is normal, make an appointment to see Abnormal vaginal drainage doctor.