Chlamydia, gonorrhoea & mycoplasma genitalium

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I want information about gonorrhea, chlamydia & mycoplasma genitalium

Chlamydia and gonorrhea, are bacterial infections transmitted through vaginal, anal and oral sex or contact with semen, vaginal fluids or anal secretions of infected people. They are very common diseases, affecting both men and women. However, once detected, they are easily treatable with antibiotics.

In recent years, more and more people have been talking about the role of another bacterium, mycoplasma genitalium, in urethritis, cervicitis and proctitis, not caused by gonorrhea or chlamydia.

  • Risks & route of transmission
  • Symptoms
  • Treatment & prophylaxis
  • Long term consequences
Risks & route of transmission

The most common route of transmission of chlamydia and gonorrhea is oral sex (according to our experience at Open House), since it is a practice that is almost never protected and, added to the fact that they are mostly present without symptoms, both in genitalia and in throat, are the two main infections that we detect.

Regarding mycoplasma genitalium, it is transmitted through unprotected vaginal or anal penetrations. Its possible transmission in oral sex is still being studied, but at the moment it is not proven.

The risks of transmission of gonorrhea and chlamydia in any type of sex (oral, vaginal or anal) is 40 to 60% per contact and 20% in the case of mycoplasma genitalium, if the person with whom we have sex is infected.

Usually asymptomatic, but in some cases from the 3rd week of contact there may be stinging on urinating or abnormal fluid from the vagina, penis or anus.

Gonorrhea & mycoplasma genitalium
People who have symptoms will appear between day 2 and 10 of being infected in the case of gonorrhea. Mycoplasma genitallium has a slow incubation (2 to 6 months) so it is difficult to determine when the infection occurred. Symptoms can be the following:

Although many people infected with chlamydia, gonorrhea or mycoplasma genitalium have no symptoms, if you have any of the following, you should consider testing:
In men, stinging on urination, burning, itching, discharge from the penis;
In women: burning or painful urination, altered discharge, pain during sex.
For both sexes: sore throat, tonsillitis, pus in the throat, rectal secretions, rectal burning or pain, abnormal feeling with stools.

  • According to Open House, 60% of Chlamydia & M. Genitailium infections in men (in the urethra) have no symptoms and 30% of cases of gonorrhea. Multiple scientific publications support this figure.
  • In the cervix and  throat infections 90% of show no symptoms.
  • You can only be 100% sure of not having Chlamydia, Gonorrhea or M. Genitalium by doing tests.
Treatment & prophylaxis

Open House meets national and European requirements in the treatment of chlamydia and gonorrhea. We choose the correct antibiotic based on the location of the infection. Our success rate is 99.5%, only in 0.5% of the most complicated infections, we have to refer to another specialist.

Mycoplasma genitalium is a more difficult bacterium to treat, if we carry out the test in Open House, the result will tell us if the bacterium is resistant or not to a certain antibiotic. In the case of conducting the test in our external laboratory, we treat this bacterium according to the recommended treatment lines according to weight organizations in the field.

If you have had risky sex for chlamydia and gonorrhea in the last 3 days we can administer antibiotics as prophylaxis against these infections. However, this option is not suitable for everyone and is decided on a case-by-case basis. Please contact us to find out if you qualify.

Long term consequences

Chlamydia is a major cause of infertility
If you are a man and have oral sex or penetration without a condom and you get infected with these bacteria, you can transmit them to another woman without realising it. In women, these infections can be very serious because they cause systemic infections, or can damage the uterus and Fallopian tubes. They are the cause of 20% of female infertility.

Chlamydia, gonorrhea & M. Genitalium, vehicle for HIV
The presence of these bateria in the throat, urethra, rectum or cervix can act as a catalyst for HIV transmission. For this reason, at Open House, if you test positive for one of these infections we will always recommend that you do an HIV test as a precaution.

Call us to book an appointment or get information in our Madrid or Valencia clinics

I want to do gonorrhoea ,chlamydia & mycoplasma genitalium tests

Open House has an extesive experience in diagnosis, management and treatment of Gonorrhea, Chlamydia & Mycoplasma Genitalium. Our PCR tests, are unbeatable, both for their sensitivity and for the fast results (2 hours).

You can do the tests afer two weeks of the risk contact you want to check, unless you have compatible symptoms, going to our Madrid or Valencia clinic, where you will recieve advise from our specialist doctors or using our online services.

  • Tests in Open House clinics
  • Online Services
Tests in Open House clinics

The sensitive tests (PCR): This tests, which looks for the DNA of these bacteria, is the best to detect cases with or without symptoms. The result of these tests is available in just 2 (in Open House) or 48-96 hours (In our central lab). Its sensitivity in genital samples is around 99% and in throat and rectum 90%.

If we carry out the mycoplasma genitalium test with the Open House individual processing system, in addition to the result in 2 hours, we will have the profile of resistance to a family of antibiotics, being able to significantly increase the success in the treatment if we diagnose this bacterium.

 Call us to book an appointment at Open House Madrid or Valencia to do sensitive tests 160

Online Services

With our remote services, you can perform sensitive tests for gonorrhea, chlamydia, and mycoplasma genitalium without having to go to the Open House. We use a technique that looks for the DNA of these bacteria called PCR, which is the most sensitive technique that exists.

We send sample collection kits to the postal address you indicate and you take the samples yourself. Afterwards, we organize the collection of the package for its return to Open House. Once we have received it, you will have the result in as little as 2 hours if you select our individual processing PCR system or in 48-96 business hours, if we carry out the tests in our reference laboratory, by email.

You can also go to the Open House clinics to take the sample, thus avoiding the time it takes to send the kits.

Unsure if you need to do this test? Maybe you should book a phone consultation with our specialist doctors first

 Visit our online shop to purchase this test from 140
Click here for a phone consultation with our doctors 50€

Our experience in Gonorrhea and Chlamydia:


Tests performed


Cases diagnosed


Clinical success in treatment

I want information about other related infections

There are other infections that may cause similar symptoms to gonorrhoea and chlamydia. However these ones are not included in the normal check ups because it is only recommended to look for them and to treat them in those cases in which they are provoking symptoms.

  • Mycoplasma hominis and ureaplasma urealyticum
  • Trichomonas vaginalis
  • Urethritis and prostatitis
  • LGV
  • Do you have symptoms? You can do other tests
Mycoplasma hominis and ureaplasma urealyticum

Before giving more details about these infections you should know that they are not exactly like gonorrhoea and chlamydia in the sense that if they are silent (without symptoms) they almost never do any damage both in men and women. Many doctors don’t even treat these infections when they are detected by chance, considering them to be part of the bacterial flora. However, it has been shown that the presence of these infections can increase the risk of catching HIV. Therefore, in Open House we always recommend the eradication of these bacteria in women.
We find these bacteria in about 30% of the adult population (vagina in women and urethra in men)
They are only transmitted in vaginal sex.
They do not do any other damage if they are silent.

Trichomonas vaginalis
  • Trichomonas vaginalis is a parasitic infection which is silent in about 50% of cases.
  • When it decides to produce symptoms, it is associated with vaginal itching and in men, urethral itching.
  • Chronic trichomonas in men can be a risk factor for developing prostatic cancer.
Urethritis and prostatitis

Data on our clinical experience with urethritis or prosatitis in men:
Cases of urethritis or prostatitis managed: 5500
Clinical success in the treatment of urethritis or prostatitis: 98.2%

Other causes of urethritis in men
Urethritis (inflammation of the urethra, the tube inside the penis) is common after sexual contacts. The symptoms of stinging inside, when you pee or on the tip of the penis may indicate urethritis. In the previous section you can read about causes such as gonorrhoea, chlamydia, mycoplasma and ureaplasma as bacterias which may cause urethritis, but there are other culprits.

Non-specific urethritis
: when a man clearly has urethritis but the tests are negative, we call this situation non-specific urethritis. It usually responds well to a particular antibiotic. A night out drinking with plenty of sex: After a night of heavy drinking that ended up with good sex, often we see urethritis which is nothing to do with bacteria, rather dehydration, trauma and chemical reactions to condoms. However, if the sex was unprotected, we recommend looking for infections first. Stress is also a cause of urethritis. Urethritis as a symptom of an underlying problem: Sometimes, symptoms of urethritis are not due to a problem of the urethra per se, rather there could be a urine infection, an imminent outbreak of herpes irritating nerves or infection in the prostate.


Lymphogranuloma venereum – the superchlamydia

Up until about 10 years ago there had only ever been seen about 100 cases of this serious infection in Spain. In recent years that is has gone up by about 500%. There is not a great deal of practical advice about this disease so Open House will share our thoughts with you here. It is of particular importance to men who have sex with men, who practise fisting or are HIV positive. It is produced by an agressive strain of chlamydia that invades the lymphatic system and can dissolve tissue and glands in the pelvis. Transmission in fistiing occurs from one persons rectum to another. In anal sex, it is transmitted from the penis to the rectum and vice versa. However, just like in other chlamydial infections, there are people who are silent carriers. A urethral infection can produce abscesses in the glands and in the rectum it can cause permanent damage. Key messages: if you have been diagnosed with urethral chlamydia and your glands are very painful, or if you have a rectal chlamydial infection that has relapsed, we should consider the possibility of lymphogranuloma and therefore a specific treatment.

Do you have symptoms? You can do other tests

As you have read, when you have symptoms after an unprotected penetration, there are other relevant infecctions to check. This package includes Chlamydia, Gonorrhea, Mycoplasma genitalium, Mycoplasma hominis, Ureaplasma and Trichomonas DNA detection test, PCR, the most sensitive technique. Results ready in 48 working hours.

Previous medical consultation, follow up and results given by Open House doctors is included in the price.

 Get more information or book an appointment at Open House Madrid or Valencia  to do this package 210€

Do you live in other province or you do not need a medical consultation?

Visit our online shop to get this package 180€

How can we help you?

Contact with Open House team

Caution! It is important to read about the Window Period before doing tests UNLESS YOU HAVE WORRYING SYMPTOMS

Please trust our clinical judgement. Open House has done nearly 72.000 STI tests.

What would you like to do now?

I want to know what is the risk of gonorrhea and Chlamydia in oral, vaginal, or anal sex

I would like to do a complete sexual health check-up

I want to know more about STIs symptoms

I’m in a relationship and have had sex with someone else – I’m very frightened!

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