Bacterial vaginosis is a bacterial infection that is treated with antibiotics. It can cause symptoms including thin gray, green, or white vaginal discharge; a strong unusual odor (especially after sex or menstruation); and burning during urination.
A yeast infection is a fungal infection that is treated with antifungal medication. It can cause symptoms including thick, white vaginal discharge; itching, irritation, and soreness of the vulva; pain or discomfort during sex or urination; and redness and swelling of the vulva.