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List of Major sexually transmitted diseases and their causative agents

The number of sexually transmitted microorganisms (eg, bacteria, virus, fungi and parasites) and the spectrum of clinical syndromes or diseases associated with these agents are expanding with the nature of changing sexual orientations of people and increasing number of immunosuppressive population (people with HIV/AIDS, under immunosuppressive therapy, cancer conditions) etc.

Multiple pathogens can cause one particular disease e.g. vaginitis can be caused by Neisseria gonorrhoeae, Chlamydia trachomatis, Trichomonas vaginalis etc,. This blog post lists some of the selected sexually transmitted diseases and pathogen mostly associated with that particular disease.

  1. Acquired Immunodeficiency Syndrome (AIDS): Human immunodeficiency virus (HIV)
  2. Bacterial vaginosis: Gardnerella vaginalis
  3. Chancroid: Haemophilus ducreyi
  4. Chlamydia trachomatis infections (such as cervicitis, urethritis, prepubertal vaginitis, proctitis, endometritis etc) : Chlamydia trachomatis
  5. Chlamydial lymphogranuloma: Chlamydia trachomatis serovars L1, L2 and L3
  6. Genital Herpes: Herpes Simplex Virus type 2
  7. Gonorrhea: Neisseria gonorrhoeae
  8. Lymphogranuloma venereum: C. trachomatis
  9. Neonatal sepsis and meningitis: Streptococcus agalactiae
  10. Nongonococcal urethritis: C. trachomatis, Ureaplasma urealyticum or Trichomonas vaginalis
  11. Pelvic inflammatory disease: N. gonorrhoeae or C. trachomatis
  12. Syphilis: Treponema pallidum
  13. Trichomoniasis: Trichomonas vaginalis
  14. Vulvovaginal candidiasis: Candida albicans