[Bacterial]
- [Chancroid] - [Haemophilus ducreyi]
- [Chlamydia] - [Chlamydia trachomatis]
- [Donovanosis] ([Granuloma inguinale]) - [Calymmatobacterium granulomatis]
- [Gonorrhoea] - [Neisseria gonorrhoeae]
- [Lymphogranuloma venereum] ([LGV]) -- [Chlamydia trachomatis] serotypes L1, L2, L3
- [non-gonococcal urethritis] ([NGU])
<ul>
- [Ureaplasma urealyticum]
- [Mycoplasma hominis]
[Syphilis] - [Treponema pallidum]
</ul>
[Viral]
- [Cytomegalovirus]
- [Hepatitis]
<ul>
- [Hepatitis B]
- [Hepatitis C]
- [Hepatitis D]
([Hepatitis A] and [Hepatitis E] are transmitted via the [faecal-oral route])
[Herpes] - [Herpes simplex virus] ([HSV])
[Human Immunodeficiency Virus] ([HIV])
[Molluscum contagiosum]
[Warts] - [papillomavirus]
</ul>
[Protozoa]l
- [Entamoeba histolytica]
- [Giardia lamblia]
- [Trichomoniasis] - [Trichomonas vaginalis]
[Fungi]
- [Candidiasis]/[Thrush] - [Candida albicans] (not strictly an STD)
Other (not actually STDs but often considered as STDs)
- [Lice] - [Phthirius pubis]
- [Scabies] - [Sarcoptes scabiei]