Chlamydia is one of the most common sexually transmitted infections in the UK, with over 200,000 new cases reported each year. Left untreated, the condition can cause infertility.

  1. 50% of men show no noticeable effects
  2. 80% of women display no symptoms
  3. Easy to treat with antibiotic medicine


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0 treatment(s) for Chlamydia



  1. Easy to use tablet medication
  2. Single dose treatment for chlamydia


  1. Widely-used antibiotic
  2. Second-line treatment for chlamydia
  3. Available as an oral suspension

Chlamydia is a sexually transmitted infection, caused by the bacteria chlamydia trachomatis. It is thought to be the most common STI in the UK, with around 200,000 infections reported at GUM clinics and surgeries each year. It more commonly affects young people, between the ages of 18 and 24. Women tend to be more susceptible to the condition than men, but less likely to develop noticeable symptoms during the initial stages of infection. While as many as 50% of men who carry the infection may show no visible signs, a staggering 80% of women may display no indications of the disease either, making it very easy to remain undetected.

In other cases where symptoms are present, a woman with chlamydia may experience urinary pain, increased menstrual bleeding, or vaginal discharge; whereas a man might notice instances of penile discharge, urinary pain, or testicular pain. However, the condition can still be harmful even in cases where it does not cause symptoms. Left untreated, chlamydia can lead to pelvic inflammatory disease in women, and it can render both women and men infertile.

As the condition is most typically spread through unprotected sex and is easy to miss, it is important to get regularly tested if you engage in unprotected sex, and particularly if you have done so with multiple partners. As well as being transmitted through vaginal, anal and oral sex, the infection can also be transferred through the sharing of sex toys.

The name chlamydia is derived from Greek word to ‘cloak’, in part due to the infection’s ability to hide in the cells of the host, and go unnoticed. As a bacterial infection, chlamydia spreads in a person’s body when the cells associated with the infection multiply and increase in number. Antibiotic medicines fight the infection by breaching the walls of cells, thereby eliminating the bacteria’s capacity for growth, and better enabling the body’s natural defences to kill off what remains of the disease.

If you think you may have chlamydia, or had sex with someone who has, it’s better to get tested as soon as possible than to take any risks. Once the condition has been diagnosed, treatment is given in the form of antibiotics.

We do not offer chlamydia treatments through our site. If you think you have come into contact with an STI, visit your nearest GUM clinic or see your GP.

Page last reviewed:  24/01/2018
Types of Treatment

How to get rid of Chlamydia

Chlamydia is a common bacterial infection, which is spread through unprotected sex. Following a successful diagnosis, treatment is commenced in the form of antibiotics.

The first line treatments for chlamydia in the UK currently are Azithromycin and Doxycycline. Where these are contraindicated, Erythromycin may be issued.

Azithromycin is usually the first choice of treatment, because it is taken as a single dose and is usually very effective with very few side effects. However, laboratories around the UK are noticing an increase in the number of chlamydia infections which are resistant to Azithromycin, so there is some debate amongst specialists about whether to use Doxycycline as the first choice instead.

Doxycycline is also very effective. Nausea is a little more common for people who take it, although it is still fairly unusual. One disadvantage of this treatment compared to Azithromycin is that it needs to be taken every day for seven days, and sex needs to be avoided until the treatment is finished.

Antibiotics for chlamydia

Antibiotics treat infections by attacking the bacteria responsible. In the case of chlamydia, this is a bacteria called chlamydia trachomatis. Some antibiotics may work in slightly different ways to others, but in most cases, they will inhibit the capacity of the offending bacteria to produce proteins crucial for their own growth. When the bacteria can no longer multiply and spread itself through a person’s body, it is then susceptible to antibodies, which kill the bacteria off.

What are the side effects?

Depending on the medicine you use, side effects can vary. It is always vital to ensure that you familiarise yourself with the potential side effects before using a medicine, so that you can seek advice from a doctor if you need to. Side effects which are quite commonly associated with antibiotics include loss of appetite, dizziness, headaches and skin irritation.

Can I take them with other medications?

Antibiotic medicines can sometimes have an effect on the performance of other treatments, so it is vital to inform your doctor if you are currently using other treatments, or have done so in the recent past. For more detailed information, ask your prescriber or consult the patient information leaflet provided with the medicine.

Page last reviewed:  24/01/2018
Question and Answers

Should I take Azithromycin?

Whether you can use this medication will depend on a number of factors. What you’ve successfully used before or how sensitive you are to the potential side effects of any given medication may determine what you can and cannot use. For more information, consult the relevant product page and patient information leaflet. If you are still unsure, ask your doctor or pharmacist for advice.

Are there side effects?

Yes. Always read the information leaflet for any medication before you use it. For many antibiotic medications, the associated side effects may include, but are not limited to: headaches, dizziness, rash, itching, diarrhea and abdominal pain.

Is it right for me?

Your doctor will decide on which antibiotic to issue following consultation. Following a positive test result, they will take into the account your medical profile and prescribe the most appropriate treatment.

Please note that we do not sell chlamydia medication through our site. If you suspect you may have an STI, contact your nearest GUM clinic or your GP to arrange testing and consultation.

Page last reviewed:  24/01/2018
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