cause of vaginal discharge on underwear
Bacterial vaginosis is the most common cause and often has a vaginal odor. Vaginal itching can be a sign of a yeast infection. Sometimes vaginal discharge can be a sign of a sexual transmitted infection. Testing is important to determine the treatment and keep you and your partner safe.
Common causes of vaginal itching and discharge in young girls include: 1  Chemicals such as perfumes and dyes in detergents, fabric softeners, creams, ointments, and sprays may irritate the vagina or the skin around the vagina. 2  Vaginal yeast infection.  Vaginitis. Vaginitis in girls before puberty is common.
Look for abnormal discharge. Abnormal vaginal discharge is one of the most common signs of a vaginal infection. If the color, consistency, or amount of discharge changes, you may have an infection. If you notice a fishy smell in your vagina, it is probably bacterial vaginosis.