What are the reasons for vulvar itching?

Patient's question:

Every night, the external genitalia itch

Doctor's answer:

Hello: This is likely caused by vulvitis. You can use Jieryin for local application. Generally, you can first clean the vulva with the solution at night, and then apply the medication. During this period, maintain hygiene of the vulva and change underwear daily. Avoid sexual activity during treatment. Get well soon.