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Home > Sexually-transmitted infection

3 Types and their causative organisms

(Note that some of the diseases on this list are commonly transmitted in other ways besides sexually, e.g. AIDS is also commonly transmitted through the sharing of infected needles by drug users.)

3.1 Bacterial

• Syphilis ( Treponema pallidum)
• Gonorrhea ( Neisseria gonorrhoeae)
• Chlamydia infection ( Chlamydia trachomatis)
• Chancroid ( Haemophilus ducreyi)
• Donovanosis ( Granuloma inguinale or Calymmatobacterium granulomatis)
• Lymphogranuloma venereum /LGV ( Chlamydia trachomatis serotypes L₁, L₂, L₃. See Chlamydia)
• Non-gonococcal urethritis /NGU ( Ureaplasma urealyticum or Mycoplasma hominis)

3.2 Viral

• AIDS ( Human Immunodeficiency Virus / HIV)
• Herpes /HSV ( Herpes simplex virus)
• Human papillomavirus
  • Certain strains of HPV cause genital warts
  • Certain strains of HPV cause cervical dysplasias which can lead to cervical cancer
• Cytomegalovirus
• Hepatitis ( Hepatitis A and Hepatitis E are transmitted via the fæcal-oral route, not sexually; Hepatitis C is probably not sexually transmittable)
  • Hepatitis B
  • Hepatitis D
• Molluscum contagiosum

3.3 Parasites

• Pubic lice ( Phthirius pubis)
• Scabies ( Sarcoptes scabiei)

3.4 Fungal

• Candidiasis (thrush) ( Candida albicans) is not strictly an STD but can be transmitted through sexual contact

3.5 Protozoal

• Amoebiasis ( Entamoeba histolytica)
• Giardiasis ( Giardia lamblia)
• Trichomoniasis ( Trichomonas vaginalis)

4 See also

• Vulvovaginal disorders
• Transmission (medicine)

5 External links

• Fact sheet on sexually transmitted diseases from the National Institute of Allergies and Infections http://www.niaid.nih.gov/publications/stds.htm
• "Lesbian Health" from Planned Parenthood http://www.plannedparenthood.org/articles/lesbian.html
• Liljeros, Fredrick, Christofer R. Edling, and Luis A. Nunes Amaral. "Sexual networks: implications for the transmission of sexually transmitted infections". Microbes and Infection volume 5, number 2 (February 2003): 189–196.

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Topics: Sexually-transmitted Infection Diseases Sexual Transmitted...

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