The main causes of vulvar redness in newborns are vaginitis or urinary tract infections. The following treatments should be used to improve the newborn’s vulva redness. First, give the newborn more local cleaning, you can wash the newborn’s vulva with warm water every day, which can effectively prevent and treat the redness of the vulva. Second, apply medication, such as potassium permanganate tablets for newborns. Soak potassium permanganate tablets in water, thus making potassium permanganate water. Because of its good anti-inflammatory effect, potassium permanganate water has a significant improvement in the treatment of vulvodynia or urinary tract infections in newborns. You can apply antibiotic ointment to your newborn, such as applying lincomycin lidocaine gel or applying chlortetracycline ointment or Bactrim, etc. The antibiotic ointment is also effective in treatment.