Private Syphilis Testing in London

Confidential syphilis blood testing across London, with GP advice on symptoms, exposure timing and follow-up.

Book a GP appointment if you have symptoms, a recent exposure, a previous reactive result or need help choosing the right STI test.

Clinics across London5 on-site labs4.9★ from 1,959 reviewsTrusted by over 350,000 patients

Test Options

Syphilis Tests

Browse common STI screens that can include syphilis testing. To book, book a GP appointment and your GP will arrange the most appropriate blood test during your visit.

4 STI screen
Member price
£79.20
Standard £88

Chlamydia by PCR

Gonorrhea by PCR

HIV 1&2/p24 antigen

Syphilis antibody

Availability Select clinics only
SampleBloodSwab (F)Urine (M)
Test from 45 days
Results 4 hours
6 STI screen
Member price
£119.70
Standard £133

Chlamydia by PCR

Gonorrhea by PCR

HIV 1&2/p24 antigen

Syphilis antibody

Hepatitis B surface antigen

Hepatitis C antibody

Availability Select clinics only
SampleBloodSwab (F)Urine (M)
Test from 45 days
Results 4 hours
Full STI screen
Member price
£159.30
Standard £177

Chlamydia by PCR

Gonorrhea by PCR

HIV 1&2/p24 antigen

Syphilis antibody

Hepatitis B surface antigen

Hepatitis C antibody

Trichomonas by PCR

Availability Select clinics only
SampleBloodSwab (F)Urine (M)
Test from 45 days
Results 4 hours
All test prices shown exclude your GP appointment fee (£75 weekdays, £85 weekends) and any applicable handling fee. DocTap Pass members save 10% on eligible fees.
The member price is available with DocTap Pass — a £15 membership that gives 10% off appointments and tests for 12 months (scans and medications excluded). You can add DocTap Pass to your basket when you book your appointment, or during your consultation when adding tests.

From Booking to Results

Your Appointment, Step by Step

Book with a GP, check the timing, have the right blood sample taken and receive your result securely.

  • 1
    Book Online
    Choose a DocTap London clinic and book a GP appointment. Your GP can discuss symptoms, exposure timing and whether syphilis testing or a broader STI screen is right for you.
  • 2
    Check Timing
    Syphilis blood tests can be affected by timing. If exposure was recent, your GP may advise testing now, repeat testing later or a broader STI screen.
  • 3
    Have Your Blood Sample Taken
    A trained healthcare professional takes a small blood sample during your appointment. You do not usually need to fast.
  • 4
    Receive Your Result Securely
    Your result is added securely to your DocTap account. A reactive result needs clinical follow-up and may need specialist sexual health input.

Testing Options

What does a syphilis test check?

Syphilis testing usually uses a blood sample to look for markers of infection.

What the test looks for

A private syphilis test in London checks for laboratory markers linked to syphilis infection. Syphilis is caused by a bacterium and can progress through different stages, so results need clinical interpretation.

At DocTap, syphilis testing is GP-led. Your GP can advise whether a focused syphilis test, repeat testing or broader private STI testing is most appropriate.

How syphilis blood tests are interpreted

Syphilis blood tests can be more complex than a simple positive or negative screen. A report may include different markers, and previous infection or treatment can affect how the result is interpreted.

Your GP can review your symptoms, exposure timing and any previous syphilis history before advising on next steps.

Syphilis in STI screens

Syphilis is often included in broader sexual health screens, but not every screen includes the same infections or laboratory markers.

You can compare STI test packages and prices before booking, or book with a GP if you need help choosing the right screen.

Testing with other STIs

If the concern follows a sexual exposure, your GP may discuss other STI tests alongside syphilis. This can include gonorrhoea testing, trichomonas testing, herpes testing, hepatitis B testing or hepatitis C testing depending on what happened.

Symptoms and Timing

Syphilis symptoms, transmission and timing

Syphilis can cause visible symptoms, but it may also be present with no symptoms.

What is syphilis?

Syphilis is a sexually transmitted bacterial infection. It can be passed on through vaginal, anal or oral sex, and through direct contact with infectious sores.

Because symptoms can be mild, hidden or mistaken for something else, testing may be recommended even when you feel well after a relevant exposure.

Common symptoms

Symptoms can include a painless sore, rash, swollen glands, fever, tiredness or patchy hair loss. Some symptoms can settle without the infection being cleared.

Do not rely on symptoms alone. If you are worried about syphilis, book a GP appointment for testing advice and follow-up.

How syphilis is transmitted

Syphilis is usually transmitted through close sexual contact with infectious sores or rashes. These can appear in places that are not always easy to see.

If a partner has tested positive, or if you have had a higher-risk exposure, your GP can advise on timing and whether repeat testing may be needed.

Is syphilis an STI?

Yes. Syphilis is an STI and may be considered as part of a wider sexual health screen, especially after condomless sex, a new partner or a partner notification.

For broader advice, see private STI testing in London.

When should I test?

Syphilis tests can be affected by timing. A very recent exposure may need repeat testing even if an initial result is negative.

Your GP can advise based on the exposure date, symptoms and any previous syphilis results. If you have symptoms or a previous reactive result, book with a GP rather than trying to choose a test in isolation.

Results and Next Steps

Understanding your syphilis result

A syphilis result needs to be interpreted in context, especially if there has been previous infection or treatment.

Negative result

A negative syphilis result means the laboratory markers tested were not detected. This can be reassuring, but may not fully exclude very recent infection.

If the exposure was recent or symptoms continue, your GP may advise repeat testing or referral to a sexual health service.

Reactive result

A reactive syphilis result needs clinical follow-up. Some results can reflect current infection, previous infection or previous treatment, so the details matter.

Your GP can explain the report and advise on next steps, including specialist referral where needed.

Past infection or previous treatment

If you have had syphilis before, blood markers may remain detectable after treatment. This can make interpretation more nuanced than a first-time screen.

Bring any previous results or treatment details to your appointment if you have them, so your GP can interpret the new result in context.

Treatment and specialist follow-up

Syphilis is treatable, but treatment and follow-up should be guided by a clinician. Recent partners may also need testing and treatment advice.

If your result is reactive, or if there are symptoms suggesting later-stage infection, your GP may advise referral to a specialist sexual health service.

Partners, pregnancy and urgent concerns

Tell your GP if you are pregnant, planning pregnancy, have neurological symptoms, visual symptoms, or a partner has recently tested positive.

These details can change how quickly follow-up is needed and whether specialist sexual health input is required.

Clinical Quality

The Standards Behind Every Test

The clinical standards behind every DocTap sexual health test, across our London clinics.

CQC Rated Good
Independently inspected and regulated by the Care Quality Commission.
Fully GMC-Registered Doctors
UK-trained and experienced GPs only.
Every Consultation Reviewed
Each one is checked for quality and safety, overseen by our Medical Director.
No Sales Incentives
Our GPs are never paid commissions for tests or treatments.

Frequently Asked Questions

Is Syphilis Included in Every STI Screen?

No. Check the individual STI package before booking. Your GP can advise whether syphilis and other STI tests should be included.

What Sample Is Needed for Syphilis Testing?

Syphilis testing usually uses a blood sample. Your GP can advise if other tests or follow-up are needed based on symptoms and exposure.

Can I Test for Syphilis Without Symptoms?

Yes. Syphilis can be present without symptoms, so testing may be appropriate after a relevant sexual exposure.

Can a Syphilis Test Be Too Early?

Yes. Testing very soon after exposure may miss infection. Repeat testing may be recommended depending on timing and risk.

What Happens if My Result Is Reactive?

A reactive result needs clinical follow-up. Your GP can explain the report and advise whether specialist sexual health referral is needed.

Ready to Book?

Book a GP appointment for testing, or compare STI test options and prices.

Blood tests at DocTap

Find a convenient London clinic — including five with on-site labs for faster results

Canary Wharf clinic (related page)
Onsite Laboratory

Canary Wharf

Situated by South Quay Footbridge, a 3-minute walk from Canary Wharf and Heron Quays stations.

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Hammersmith clinic (related page)
Onsite Laboratory

Hammersmith

Situated on King Street, a 6-minute walk from Hammersmith underground stations.

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Kings Cross clinic (related page)
Onsite Laboratory

Kings Cross & Euston

Located just off Euston Road, less than a 10-minute walk from both Euston and King’s Cross stations.

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Liverpool Street clinic (related page)
Onsite Laboratory

Liverpool Street & Bank

Located in the heart of the City, a 5-minute walk from Liverpool Street and Bank stations.

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London Bridge clinic (related page)
Onsite Laboratory

London Bridge

Located just off Borough High Street, an 8-minute walk from London Bridge station.

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Bond street clinic reception (related page)

Bond Street

Located on Wigmore Street, just off Harley Street, a 7-minute walk from Bond Street station.

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Clapham clinic reception (related page)

Clapham

Located on Clapham High Street, only a 3-minute walk from Clapham Common station.

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Old street reception (related page)

Old Street

Located off Old Street, a 3-minute walk from Old Street underground station.

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Stratford private GP

Stratford

Located within The Conductor building, a 6-minute walk from Stratford station, or 3 minutes from the Westfield shopping centre.

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Swiss Cottage clinic room (related page)

Swiss Cottage

Only a 3-minute walk from Swiss Cottage station.

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Victoria clinic room (related page)

Victoria

Situated on Lower Belgrave Street, a 5-minute walk from Victoria rail and underground stations.

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Patient on a video consultation with a DocTap GP (related page)

Online GP

Speak to a GP by video or phone, wherever you are — no app needed. Ideal for follow-ups and straightforward concerns.

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