If you've completed menopause -- meaning you've gone without a period for more than 1 year -- you shouldn't have any menstrual bleeding. Even a little spotting is not normal after menopause.
If you have postmenopausal bleeding, make an appointment to see your doctor as soon as possible. It could be caused by a number of health problems, some of which are serious.
Here are the most common causes of postmenopausal bleeding.