In rare cases, vaginal itching might develop due to stress or vulvar cancer. Most vaginal itching isn't a cause for concern. However, you should.
Although some of the conditions that cause vulvar itching may worsen at night, it is more likely that the itchiness gets worse during this time.
Itching or irritation anywhere on the body can cause discomfort. But when it occurs in an area as sensitive as the vagina and vulva (the labia.