Anogenital warts is a common STI, caused by the human papilloma virus (HPV) and can be passed on by skin-to-skin contact during sex.
Bacterial vaginosis is a bacterial infection caused by a change in the normal balance of vaginal bacteria.
Candidiasis (vulvovaginal) is a common infection caused by an overgrowth of yeasts which naturally occur in the vagina.
Chlamydia is a very common bacterial STI which can be passed on during sex without a condom or other barrier method.
Men who have sex with men (MSM) are prone to enteric infections due to transmission of organisms through the oral-anal contact.
Epididymo-orchitis is the clinical syndrome of pain and swelling of the epididymis and testis which occurs in the context of a urethral or a urinary tract infection.
Gonorrhoea is a common STI caused by bacteria and can be passed on during sex without a condom.
Hepatitis A is an acute, self-limiting infection of the liver by an enterically transmitted virus, hepatitis A virus. Infection may be asymptomatic.
Hepatitis C virus is a bloodborne virus that can cause both acute and chronic hepatitis.
Herpes is a common STI, caused by the herpes simplex virus (HSV) and can be passed on by skin-to-skin contact during sexual contact.
Lymphogranuloma venereum (LGV) is a genital infection caused by the less common serovars of Chlamydia trachomatis (L1, L2, L3).
Molluscum contagiosum (MC) is a harmless skin infection caused by a virus and can be passed on by skin-to-skin contact.
Monkeypox (MPX) virus is an Orthopox virus closely related to the variola (smallpox) virus. Since May 2022 there has been a global outbreak of MPX mainly among men who have sex with men.
Mycoplasma genitalium (MG) is a sexually transmitted bacterium that is difficult to culture. Detection relies on the use of PCR assays. MG is a cause of urethritis in men. In women, MG can cause cervicitis and pelvic inflammatory disease. MG can also be a cause of rectal infection.
Pelvic inflammatory disease (PID) is inflammation or infection of the reproductive system in the pelvis. PID can be caused by STIs such as chlamydia, gonorrhoea and Mycoplasma genitalium.
Proctitis is the inflammation of the anal canal and distal rectum. Sexually acquired proctitis is a common presentation of STIs in MSM.
Pubic lice is an infestation by the pubic louse Phthirus pubis. Pubic lice or crab lice are usually transmitted by sexual contact.
Scabies is an infestation of the skin by the burrowing mite Sarcoptes scabiei. Infestation is easily spread through direct skin-to-skin contact with sexual partners and household members, and may also occur by sharing clothing, towels and bedding.
Syphilis is a bacterial STI and can be passed from mother to foetus during pregnancy.
Syphilis is a bacterial STI and can be passed on through skin-to skin contact.
Trichomonas in women can cause a frothy, yellow-green vaginal discharge, but is often asymptomatic. Trichomonas is an uncommon cause of symptomatic urethritis in men.
Urethritis is the term used to describe inflammation in the urethra.
Vaginal discharge is a common concern. Vaginal discharge can be due to a variety of reasons and may be physiological. A degree of vaginal discharge that changes with the menstrual cycle can be normal, but a change in the nature or volume of the discharge and other symptoms may be indicative of a pathological cause.
Vulvodynia is a well-recognised chronic pain condition.