There are two kinds of itching at the vulva: first, vaginitis; second, vulvitis. The first case is vulvovaginitis, vulvovaginitis inflammation is confined to the vulva, do gynecological examination can be seen at the vulva with redness and swelling, there are times when the itching can be serious and the scratches, vulvovaginitis is usually not accompanied by leukorrhea changes. The second condition is vaginitis, there are three kinds of vaginitis most common in the clinic, they are trichomonas vaginitis, bacterial vaginitis and mycobacterial vaginitis. These three kinds of vaginitis are different because of the different bacteria, so the clinical symptoms are different. The leukorrhea in trichomoniasis is usually yellow and can be foamy within the leukorrhea. In mycotic vaginitis, the leukorrhea is heavily increased, whitish in color, sometimes tofu scum-like, and is often accompanied by significant vulvar itching. If you want to distinguish which type of vaginitis you have, you can go to the hospital to do a simple secretion test, according to the results of the symptomatic medication will achieve better results.