It often leads to itching and other irritating symptoms. Yeast infections often cause thick, white, clumpy vaginal discharge that usually doesn't smell (or only. Usually, vaginal discharge gets thicker and increases in quantity for a time between cycles, with these changes beginning about two weeks. thick discharge with a cottage cheese consistency; white discharge that may turn yellow or green; a foul odor coming from the vagina; itching on the vulva or. Itchy white discharge. A bit of white discharge at the start and end of your period is normal. However, if you experience itchiness and thick.