Potassium permanganate is generally not recommended for casual use without a clear cause. The causes of vulvar itching are quite varied, and it is recommended that the appropriate cause be clarified before accurate treatment. If the vulvar itching is caused by vaginitis, it depends on what type of vaginitis it is, and not all vaginitis are suitable for the use of potassium permanganate. Potassium permanganate has a certain bactericidal effect, if it is caused by bacterial, trichomonas infection, then you can use potassium permanganate to wash the vulva, play a role in relieving. If it is a fungal infection such as Candida, it is generally not recommended and may aggravate the condition if used freely. Potassium permanganate is also not recommended for long-term use, if the use of a period of time can not be significantly improved, it is recommended to consult a doctor in time to change the treatment program. It is recommended to use potassium permanganate under the guidance of a doctor, do not blindly use the drug yourself.