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Chlamydia (Chlamydia trachomatis): Testing and Treatment in London

Private chlamydia testing and treatment at 101 Harley Street. Same-day or next-day results. Expert, confidential and non-judgemental care from Dr Dan Wright.

Chlamydia is the most commonly diagnosed bacterial sexually transmitted infection in the United Kingdom.

It is caused by the bacterium Chlamydia trachomatis and is particularly common in sexually active adults. One of the reasons chlamydia remains so prevalent is that the majority of infected individuals experience no symptoms at all.

Without testing, it is therefore entirely possible to carry and transmit the infection without being aware of it.

How Is Chlamydia Transmitted?

Chlamydia is primarily transmitted through sexual contact.

Transmission may occur during:

  • Vaginal sex
  • Anal sex
  • Oral sex
  • Genital-to-genital contact

The infection can affect a number of different sites including:

  • Urethra
  • Cervix
  • Rectum
  • Throat
  • Eyes (rarely)

Because infection can occur outside the genital tract, urine testing alone is not always sufficient and additional swab testing may occasionally be recommended depending on sexual practices.

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What Symptoms Can Chlamydia Cause?

Many individuals experience no symptoms whatsoever.

When symptoms do occur, they may develop days or weeks after exposure and can vary considerably between individuals.

Symptoms in men may include:

  • Pain or burning when passing urine
  • Urethral discharge
  • Testicular discomfort
  • Pelvic discomfort

Symptoms in women may include:

  • Vaginal discharge
  • Bleeding between periods
  • Bleeding after sex
  • Pelvic pain
  • Pain during intercourse
  • Burning when passing urine

Rectal infection may occasionally cause rectal discomfort, discharge and bleeding. Throat infections are often entirely asymptomatic.

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How Is Chlamydia Tested?

Modern testing uses highly sensitive molecular techniques known as PCR (Polymerase Chain Reaction) testing.

Depending on the circumstances, testing may involve:

  • Urine samples
  • Vaginal swabs
  • Cervical swabs
  • Rectal swabs
  • Throat swabs

PCR testing is extremely accurate and can identify very small amounts of bacterial genetic material.

When Should I Test?

Testing too early following exposure may occasionally lead to a false-negative result.

The most appropriate timing depends on the nature and timing of the exposure.

Where there has been a recent exposure, we can advise on the optimal testing window and whether repeat testing is required.

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What Happens If Chlamydia Is Left Untreated?

Most cases of chlamydia can be treated successfully and without long-term consequences when identified promptly.

However, untreated infection can occasionally lead to complications.

In women these may include:

  • Pelvic inflammatory disease (PID)
  • Chronic pelvic pain
  • Fertility problems
  • Ectopic pregnancy

In men, complications are less common but may include:

  • Epididymitis
  • Testicular pain
  • Chronic discomfort

Although uncommon, untreated infection may also increase the risk of transmission of other sexually transmitted infections.

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How Is Chlamydia Treated?

Chlamydia is generally straightforward to treat with antibiotics.

Following treatment, sexual partners may also require testing and treatment to reduce the risk of reinfection.

Advice regarding sexual activity, partner notification and follow-up testing forms an important part of management.

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Key Points

  • Chlamydia is the most common bacterial STI in the UK.
  • Most infected individuals experience no symptoms.
  • Modern PCR testing is highly accurate.
  • Early diagnosis helps prevent complications.
  • Treatment is usually straightforward and highly effective.
  • Routine screening remains important, particularly when entering a new relationship or following a new sexual contact.
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Frequently Asked Questions

Can I have chlamydia without any symptoms?

Yes. The majority of people with chlamydia, estimated at around 70 to 80 percent, experience no symptoms at all. This is precisely why routine testing is so important. You can carry and transmit chlamydia without knowing, and the only reliable way to find out is through testing.

How soon after exposure should I get tested?

Testing is generally most reliable from around two weeks after a potential exposure. Testing earlier than this may occasionally produce a false-negative result. If you have had a recent exposure, your clinician can advise on the most appropriate timing and whether a repeat test would be recommended.

Do I need to test from multiple sites?

This depends on the type of sexual contact you have had. If oral or anal contact has occurred, swabs from the throat and/or rectum may be recommended in addition to genital or urinary testing. Relying on urine testing alone may miss infections at these sites. Your clinician will advise on which samples are appropriate.

Will my chlamydia result affect my medical records or be reported?

At The Wright Practice, all consultations are confidential. Your medical records are private. Your results will not be shared without your consent, and our approach is always one of discretion and respect.

Can I be reinfected with chlamydia after treatment?

Yes. Treatment clears the current infection but does not provide ongoing immunity. Reinfection is possible if you have sexual contact with a partner who has chlamydia. This is why partner notification and treatment is important, and why routine follow-up testing is recommended for those with ongoing exposure risk.

Meet our team

Dr Daniel Wright
MD MRCGP MA (Hons) BA (Hons)
Dr. Susan Jain
MD MRCGP MA (Hons) BA (Hons)
Nathan Hunt
Practice Manager

What our patients say on Google

Wow! Dr. Dan was extremely knowledgeable and attentive to my health and well being. I’m so glad to have found him!

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John Rutherford

I have been going to Dr Wright for a number of years now. He is highly knowledgeable, compassionate, open minded and efficient, I couldn’t recommend him highly enough

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Peter Jones

I have been a patient of Doctor Dan for some time and continue to consult with him despite having left the UK. Dan has the enthusiasm and energy of a young man, whilst taking the holistic “physician” approach of an old school family doctor, equipped with the most modern insights and technology.

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Steve Smith

Dr Jain was great. Expert knowledge with practical advice

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101 Harley Street, London, W1G 6AH

The Wright Practice

101 Harley Street, London, W1G 6AH, United Kingdom

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Tuesday
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Wednesday
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Thursday
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Friday
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Saturday
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The Wright Practice
101 Harley Street, London, W1G 6AH, United Kingdom
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