Last Updated: 2023-07-07

Author(s): Anzengruber F., Navarini A.

ICD11: 1A92

Trichomonad urethritis.

Sexually transmitted disease. The pathogen Trichomonas vaginalis triggers urethritis or colpitis.

Women are more often affected and have more symptoms than men. 20% of women between the ages of 16 and 35 have an infection at least once.

Trichomonas vaginalis prefers keratinising mucosal surfaces, such as the urethra. Rarely, the bladder and ureters are affected.

15-20% of all infected women show symptoms. Characteristic are whitish-yellowish discharge, dysuria and discomfort during sexual intercourse.

  • Anamnesis: Unprotected sexual intercourse?
  • Microscopic examination of smear material from the vaginal vault, cervix and urethra.
  • Bact. Smear of the urethra
    • The patient should not have emptied the bladder for 2 hours.
    • Detection of pathogen in urine sediment

  • Erosive balanitis
  • Cystitis
  • Pyelitis
  • Prostatitis

  1. Soper D. Trichomoniasis: under control or undercontrolled? American Journal of Obstetrics and Gynecology 2004;190:281-90.
  2. Petrin D, Delgaty K, Bhatt R, Garber G. Clinical and microbiological aspects of Trichomonas vaginalis. Clin Microbiol Rev 1998;11:300-17.
  3. Schwebke JR, Burgess D. Trichomoniasis. Clin Microbiol Rev 2004;17:794-803, table of contents.
  4. Coleman JS, Gaydos CA, Witter F. Trichomonas vaginalis vaginitis in obstetrics and gynecology practice: new concepts and controversies. Obstet Gynecol Surv 2013;68:43-50.
  5. Ezz Eldin HM, Badawy AF. In vitro anti-Trichomonas vaginalis activity of Pistacia lentiscus mastic and Ocimum basilicum essential oil. J Parasit Dis 2015;39:465-73.
  6. Braun-Falco`s Dermatologie, Venerologie und Allergologie, 7. Auflage