Expert, evidence-based articles on STIs, testing, prevention, and sexual wellbeing. Written by UK sexual health experts.
Hepatitis B and C are viral infections that affect the liver. Sexual transmission is possible — but risk differs between the two. Learn about testing, vaccination, and what to do next.
HPV in men is extremely common, yet many men are unaware they can carry the virus. Learn about symptoms, genital warts, testing availability in the UK, cancer risk, and vaccination.
Syphilis symptoms are not always obvious. Painless sores, subtle rashes, and silent stages mean many people overlook the signs. Learn what to watch for and when testing may help.
Trichomoniasis is one of the most commonly missed STIs in the UK. Learn about the symptoms in men and women, how it differs from thrush and BV, and when testing may help.
Many people assume that having an STI once provides immunity. In reality, several common STIs can be caught again after successful treatment. Learn the difference between reinfection and recurrence.
Modern STI tests are highly accurate, but false positives and false negatives can occur. Learn what affects test accuracy, how window periods play a role, and when repeat testing may be appropriate.
Rectal symptoms can feel worrying, but not all anal discomfort is STI-related. Learn about rectal STI symptoms, which infections can affect the rectum, how testing works, and when to seek advice.
After STI treatment, knowing when it is safe to resume sexual activity is important for protecting yourself and your partner. Learn about recommended waiting periods for chlamydia, gonorrhoea, herpes, and more.
A sore throat after oral sex can feel worrying, but most sore throats are caused by common infections. Learn which STIs can affect the throat, what symptoms to watch for, and when testing may help.
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