Kidspot and revealed six common problems that occur in the genitals. He said the most common issue for girls is vulvovaginitis which is when things get red and irritated down there.Many girls might seem oblivious but some are constantly scratching while others describe a stinging sensation when they pee.Mild vulvovaginitis is common for many girls up until they hit puberty.Signs and symptoms include; redness of the skin, burning and stinging when peeing, vaginal discharge and itchiness.