You should seek medical care for a vaginal infection any time you have pain. Although vaginal infections may cause unpleasant itching, they should not cause pain.
Call for an appointment with your health care provider if this is the first time that vaginal yeast infection symptoms have occurred, or if you are unsure if you have a yeast infection. (If you are sure that you have a yeast infection, you can treat the disorder with over-the-counter medications available at the pharmacy.) But if your symptoms do not respond to one course of over-the-counter treatment, you may not have a yeast infection.
Vaginal yeast infections, although uncomfortable, are usually not life-threatening. You should see your health care provider. In addition, seek care for any of the following: