Trichomonas vulvitis

Trichomonas vulvitis is often secondary to trichomonas vaginitis. Trichomonas vaginalis parasites in the vagina, urethra, vestibular glands and bladder. Vestibular involvement is rare. Trichomonas vaginalis is a flagellate that is much larger than polymorphonuclear leukocytes and is pear-shaped. There are four flagella at the top and protruding shafts at the tail. They can be parasitic in humans without causing clinical symptoms. Certain bacteria can induce trichomonas to become active and produce symptoms, but antibodies in the body can be transmitted directly or indirectly, mainly through baths, bathware, swimming pools, or incompletely sterilized medical devices. Direct transmission can be through sexual intercourse, from the male urinary system, and the patient's urine and feces may also be the source.

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