滴虫性阴道炎由阴道毛滴虫引起,是常见的阴道炎。阴道毛滴虫生活力较强,适宜生长的温度为25～40℃,酸碱度(pH)为5.2～6.6的潮湿环境。能在3～5℃的环境中生存21天,46℃生存20～60分钟,半干燥的环境中生存10小时,在普通肥皂水中也能生存45～120分钟。不但隐藏在阴道、腺体中生存繁殖,还常常侵入尿道、尿道旁腺,膀胱、肾盂以及男方的包皮皱褶、尿道或前列腺中。主要表现为外阴瘙痒、白带增多。检查时可见,外阴充血或 Trichomonas vaginitis caused by Trichomonas vaginalis, is a common vaginitis. Trichomonas vaginalis strong vitality, suitable for growth temperature of 25 ~ 40 ℃, pH (pH) of 5.2 to 6.6 wet environment. It can survive for 21 days in 3 ~ 5 ℃ environment, 20 ~ 60 minutes in 46 ℃, 10 hours in semi-dry environment and 45 ~ 120 minutes in ordinary soapy water. Not only hidden in the vagina, glands survive and reproduce, but also often invade the urethra, paraurethral gland, bladder, renal pelvis and man’s foreskin folds, urethra or prostate. Mainly for genital itching, vaginal discharge increased. Visible during examination, the vulva hyperemia or