STI Symptoms

Most STIs are asymptomatic so you may not notice any symptoms at all. This means that you could be completely unaware that you have caught an infection.

Frightening it may seem, but regular STI tests will help you avoid the sometimes-dangerous consequences of an infection. If left untreated, they can cause damage to your reproductive organs and can play a part in the development of other health problems, such as epididymitis, pelvic inflammatory disease and cervical cancer.

If you are too embarrassed to visit your doctor and want to get an indication of what kind of STI you are suffering from, then use our HealthExpress STI symptom checker today.

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The information you provide us in the STI symptom checker above will be used solely to determine the possible STI(s) you may be experiencing and will not be collected or stored in any way by us. Remember, this tool is only an indication of what STI you might be experiencing based on the symptoms you are displaying. As such, it is not a diagnostic tool and is not a substitute for a qualified diagnosis. You should always check with a health professional if you have any worries about your health.

The most common type of STI's usually show no symptoms. These STIs are bacterial and include chlamydia, gonorrhoea and mycoplasma genitalium. Other STI's are viral including genital herpes and genital warts. These STI's cannot be cured but most of their symptoms can be alleviated with treatment.

Both STI's are contracted in a similar way, but they affect the body differently and require different treatments.


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Available Treatments for STIs
Azithromycin 500mg tablet box
4.5/5 - 29 Reviews


  • Can treat bacterial STIs in a single dose
  • Requires a shorter dose than other treatments
  • Free same day and next day delivery
  • Discreet delivery service
Doxycycline 100 mg capsules package
4.6/5 - 35 Reviews


  • Can cure chlamydia, NSU and ureaplasma as well as preventing malaria
  • Taken in a lower dose over a longer period of time
  • Free same and next day delivery options
  • Delivered in discreet packaging
4.6/5 - 33 Reviews

Gonorrhoea Pack

  • Can cure gonorrhoea in a one-off dose
  • Pack contains Cefixime 400mg and Azithromycin 1000mg
  • Free 24 hour delivery service
  • Discreet delivery service
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Bacterial STI symptoms

In most cases you will not experience any symptoms if you have this type of STI. Nevertheless, you should always be aware of the symptoms so that you can act as soon as possible. The most common symptoms associated with bacterial STI's are as follows:

  • Bleeding after sex or between periods
  • Pelvic or lower abdominal pain
  • Pain during sex or urination
  • Unusual discharge from penis, vagina or anus
  • Irritation, soreness or itching around your genital area

The symptoms can be cured with antibiotic treatments, usually Azithromycin or Doxycycline.

Viral STI symptoms

Unlike bacterial STI's, viral infections will show symptoms. These symptoms may not manifest straight away and sometimes they may take months, or even years to appear. They cannot always be cured but the symptoms can be managed through effective treatment.

Genital herpes symptoms involve:

  • Tingling sensation around genital area
  • Dark patches on skin
  • Sores around the penis, vagina, anus or groin area
  • Swollen glands
  • Abdominal pains

Genital warts symptoms involve:

  • Single or groups of small growths on and around the genitals
  • Disruption to your urine flow, if internal growths are present.