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What is Chlamydia?

Chlamydia is the most common bacterial sexually transmitted infection diagnosed in the UK.

For most people, chlamydia is a simple infection and can be easily treated with antibiotics. However, if left untreated it can lead to long term complications and may affect your fertility.

Chlamydia symptoms

Most people will not have symptoms however some can include:

In women
  • A vaginal discharge that is different than usual
  • The need to urinate more often
  • Pain when passing urine
  • Pain during sex
  • Pain in the pelvis or lower abdomen
  • Any irregular bleeding between periods or after sex
In men
  • A discharge from the tip of the penis
  • Pain and/or burning when passing urine
  • Painful swelling of the testicles


What is the treatment?

Chlamydia is treated with antibiotics.

The two most commonly prescribed treatments are:

Doxycycline is the first line treatment for Chlamydia it is a weeks course of antibiotics . This will be given whether you have developed symptoms or not. These are however, contraindicated in pregnancy. You will be advised not to have any sexual contact (oral, vaginal, or anal-sex even with a condom or share sex toy) whilst taking treatment

Azithromycin 1grm followed by 500mg over 2 days - You will be advised not to have any sexual contact (oral, vaginal, or anal- sex even with a condom or share sex toy) for 7 days

How quickly will treatment work?

Your infection will be cleared up 7 days after taking a single dose of antibiotics or after having finished a course of antibiotics

If you had symptoms, these should start to improve once you are treated.

If the symptoms do not improve after 2 weeks or get worse, we recommend that you attend your local sexual health clinic as you may have a different STI and require further tests and different antibiotics.

RUClear is run by the NHS and the tests are of a high quality.

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Telephone: 0800 0461303

(Confidential Advice Line)