Most women have some vaginal discharge. A normal vaginal discharge:
You may notice a normal increase in your vaginal discharge during the middle of your menstrual cycle.
The vagina contains a large number of different types of organisms, such as yeast cells and bacteria, that exist in a balance with each other. Vaginitis is the result of a change in the normal balance of vaginal organisms. When you have vaginitis, you may notice:
Other symptoms include increased redness, swelling, itching, or irritation in the vaginal or genital area. Sometimes burning after urination may be present.
A few women develop chronic, repeated vaginitis. Vaginal irritation with burning and discharge is the main symptom. While many women think they have a yeast infection that won't go away, this may not be the case. If you have increased vaginal discharge or other symptoms of a vaginal infection, it is important to check with your doctor to find the cause of your symptoms.
WebMD Medical Reference from Healthwise