Expert, evidence-based articles on STIs, testing, prevention, and sexual wellbeing. Written by UK sexual health experts.
Understanding which infections can realistically be detected with rapid, point-of-care tests — and which require laboratory analysis — helps set clear expectations before attending an appointment.
For London-based travellers, questions about pre-travel STI screening and post-holiday STI testing are increasingly common and entirely reasonable. Testing may provide reassurance and clarity.
The seven most commonly diagnosed STIs in the UK are chlamydia, gonorrhoea, genital herpes, genital warts, syphilis, HIV, and trichomoniasis. Understanding which infections are most prevalent can help individuals make informed decisions about testing.
Being treated for one STI does not automatically protect you against contracting another. Each sexually transmitted infection is caused by a different organism, and treatment for one does not create immunity against others.
With proper cleaning and hygiene practices, many sex toys can be safely used again after an STI. However, the answer depends on the material, the type of infection, and how effectively the toy can be sanitised.
Having had an STI in the past does not define your sexual health today. Many STIs are extremely common, highly treatable, and do not pose an ongoing risk once treatment has been completed.
Still burning after STI treatment is more common than many people realise. Residual inflammation, irritation from medication, reinfection, or an entirely separate condition could each play a role.
Persistent discharge does not automatically indicate a sexually transmitted infection. There are numerous reasons why discharge may continue after antibiotic treatment, many of which are not related to STIs at all.
Most STI tests remain reliable during menstruation, though certain test types may be influenced by the presence of blood. Understanding how different tests work and when timing might matter can help you make an informed decision.
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