Itching and odor of the vulva after menstruation is considered to be due to vaginal inflammation. After menstruation, it is also often a time when there is a high concentration of recurrence of vaginitis. The most common causes of this symptom are bacterial vaginitis, mycosis fungoides and, in a few cases, vulvovaginal inflammation due to allergy to sanitary napkins. It is recommended to have a gynecological examination, and you need to go to the hospital to take the white belt for a laboratory test. The laboratory test will help you to understand the nature of the white belt and which bacterial infection is causing it. Also look at the cervix in passing, some cervical diseases can also cause abnormalities in the leucorrhea, which usually requires the use of medication and attention to hygiene during treatment.