Information about Sexually Transmitted Infections In most cases using a condom for vaginal, oral and anal sex will help prevent most STI’s. Find out more about each one here: AIDS Bacterial Vaginosis Chlamydia Crabs / Pubic Lice Genital Warts Glandular Fever Gonorrhea Hepatitis Herpes HIV Human Papillomavirus Lymphogranuloma Venereum Molluscum Contagiosum Virus Non-specific proctitis Non-specific Urethritis Pelvic Inflammatory Disease Scabies Shigella Syphilis Trichomoniasis Treatments PEP PrEP