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Sexually transmitted infections (STIs)

Sexually transmitted infections (STI) are infections that are spread between people during sexual activity. STIs spread through having unprotected vaginal, anal or oral sex.

Chlamydia

A common bacterial infection passed on by having sex. It is easy to catch and easy to treat.

Genital warts

Genital warts are caused by the human papilloma virus (HPV), which is passed on by skin-to-skin contact. Most sexually active people get HPV and most have no symptoms.

Genital herpes

Genital herpes is a common sexually transmitted infection that causes blisters or ulcers on genital skin.

Gonorrhoea

A common bacterial infection passed on by having sex. It is easy to catch and easy to treat.

Human papillomavirus (HPV)

Common viruses passed on by skin contact. People usually have no symptoms. Some types of HPV cause genital warts, cell changes or cancer.

Mpox (monkeypox)

A virus that causes a rash or sores. It spreads from close contact. People with mpox may have to isolate.

Pubic lice

Pubic lice are tiny parasites which can causing itching in the genital area.

Syphilis

A sexually transmitted infection that can be treated and cured with antibiotics. If untreated, it can affect the brain, spinal cord and other organs.

Trichomonas infection

Trichomonas infection is a sexually transmitted infection caused by a small parasite. It is passed on by having sex, sexual contact or sharing a sex toy, for example a vibrator, with someone with the infection. Using a condom is the best way to protect yourself from this infection, or passing it on.