It is almost always possible to diagnose vaginitis in the office with simple tests that include checking the vaginal acidity or pH, mixing the discharge with a small amount of saline or potassium hydroxide, and looking under the microscope for specific cell changes. Occasionally, vaginal cultures are taken but this usually isn't necessary.
UCSF Health medical specialists have reviewed this information. It is for educational purposes only and is not intended to replace the advice of your doctor or other health care provider. We encourage you to discuss any questions or concerns you may have with your provider.