References UK clinical guidance from the NHS, the British HIV Association (BHIVA), and the British Association for Sexual Health and HIV (BASHH). Last updated: April 2026.
Regular STI testing is one of the most important things you can do for your sexual health. Most STIs cause no symptoms, so you can’t rely on feeling well to know you’re clear. Testing catches infections early, prevents complications, stops onward transmission and gives peace of mind.
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Why Testing Matters
| Reason | Detail |
|---|---|
| Silent infections | Most STIs have no symptoms |
| Prevent complications | Untreated STIs can cause infertility, cancer, organ damage |
| Protect partners | You can pass on infections you don’t know you have |
| Peace of mind | Knowing your status reduces anxiety |
| Early treatment | Most STIs are easily treatable when caught early |
Who Should Test
- Everyone who is sexually active — at least annually
- Under 25 — yearly chlamydia screening
- New partner — after each new partner
- Multiple partners — every 3-6 months
- MSM at higher risk — every 3 months
- Before pregnancy
What Gets Tested
- Chlamydia and gonorrhoea
- HIV
- Syphilis
- Hepatitis B and C
- Throat and rectal swabs if relevant
Where to Test
- NHS sexual health clinics — free
- Home test kits — free in many areas
- GP surgery
- Private clinics
Testing Is Self-Care
Testing isn’t a sign of anything negative — it’s a responsible, proactive health choice. Just like dental check-ups or eye tests, STI screening is routine healthcare that everyone benefits from.
Read more: How often to test | Silent STIs | Home STI tests
Frequently Asked Questions
Do I need to test if I feel fine?
Yes — most STIs cause no symptoms.
Is testing embarrassing?
Not at all. Staff are non-judgmental and deal with this daily.
Is it free?
Yes through NHS services.
Related reading
- How Accurate Are Rapid HIV Tests?
- Anonymous STI Testing: What It Means
- Are HIV Tests Accurate If You're on PrEP, PEP or ART?
- Are STI Blood Tests Accurate?
- Before You Get Intimate: Why You Should Ask About STI Testing
Sources
- NHS — Sexual health conditions
- BASHH — UK clinical guidelines for STI management
- British HIV Association (BHIVA) — HIV treatment guidelines
- Terrence Higgins Trust — sexual health information
- UK Health Security Agency — STI surveillance data
Steve Page is a recognised expert on Sexually Transmitted Diseases (STDs) and STD treatments, having published numerous articles in peer-reviewed journals and presented his research at conferences around the world. He has an in-depth understanding of the latest medical research on STDs, and is an advocate for the development of new treatments and protocols to improve the health of those affected. In addition to his research, he has dedicated his career to understanding the causes and symptoms of STDs, as well as how to best treat those impacted.
