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Urine and blood sample

Symptoms, Testing, and Treatment with the Ultimate STI Blood Test

Sexually transmitted infections (STIs) are a significant public health concern, affecting millions of individuals worldwide. Early detection and treatment are crucial to managing these infections and preventing long-term health complications. Yet, many people may be unaware of the symptoms, the importance of regular testing, or the potential risks of untreated STIs.


The Ultimate STI Blood Test is designed to provide a thorough and convenient way to check for a range of STIs by testing a total of 9 biomarkers. This test ensures fast, accurate results, helping you take charge of your sexual health with confidence.

Sexual health screening

What is a Sexually Transmitted Infection (STI)?

A sexually transmitted infection (STI) is an infection that is primarily spread through sexual contact, including vaginal, anal, and oral intercourse. More than 1 million curable sexually transmitted infections (STIs) are acquired every day worldwide in people 15–49 years old, the majority of which are asymptomatic.


STIs are caused by bacteria, viruses, or parasites and can affect various parts of the body, not just the reproductive organs. Common STIs include chlamydia, gonorrhoea, syphilis, herpes, HIV, and human papillomavirus (HPV). Symptoms can range from mild to severe, and some STIs may not present any symptoms at all, making regular testing crucial. If left untreated, STIs can lead to serious health complications, including infertility, chronic pain, and increased risk of other infections.

What are STI Symptoms?

Sexually transmitted infections (STIs) can present a wide range of symptoms, or sometimes none at all, making it essential to be aware of the potential signs and get tested regularly. Here are some common symptoms associated with STIs:

  • Unusual Discharge: Both men and women may notice a change in the colour, consistency, or smell of their genital discharge. For example, chlamydia and gonorrhoea often cause a yellow or green discharge.

  • Itching or Irritation: Persistent itching, irritation, or redness in the genital region can be a sign of an STI such as trichomoniasis or pubic lice.

  • Sores or Blisters: Painful or painless sores, blisters, or ulcers around the genital or oral areas are common symptoms of herpes and syphilis.

  • Pain During Urination or Sexual Intercourse: Experiencing pain or a burning sensation while urinating or during sexual intercourse can indicate infections like gonorrhoea, chlamydia, or urinary tract infections linked to STIs.

  • Swollen Lymph Nodes, Fever, and Aches: These systemic symptoms can accompany infections such as HIV or syphilis, indicating that the infection might be spreading beyond the initial site.


Recognising these symptoms early and seeking medical advice promptly can help prevent complications and the spread of the infection to others. Regular testing, even in the absence of symptoms, is vital to maintaining sexual health and well-being.

Man with an STI receiving medication

What Are the First Signs of an STI?

Recognising the early signs of a sexually transmitted infection (STI) is crucial for timely diagnosis and treatment. Early symptoms can vary depending on the specific infection, as seen above.


Incubation Periods and Asymptomatic Infections


  • Incubation Periods: The time it takes for symptoms to appear can vary. For example, symptoms of gonorrhoea can appear within 1-14 days, while syphilis symptoms might take 10-90 days to manifest and chlamydia can take 7-21 days. The time it takes for symptoms to appear is known as the ‘incubation period’.

  • Asymptomatic InfectionsMany STIs can be asymptomatic, meaning they do not show symptoms initially. Regular testing is crucial as individuals can still transmit the infection even if they do not exhibit symptoms.

Can STIs Go Away on Their Own?

Whether STIs resolve without treatment depends on the specific infection. Bacterial STIs such as chlamydia, gonorrhoea, and syphilis do not go away on their own. While symptoms might temporarily subside, the infection remains in the body and can cause serious complications if not treated.


Viral STIs such as genital herpes, viral hepatitis B and HPV are generally not curable, but their symptoms can be managed with medication.


Parasitic infections such as trichomoniasis can be cured with antibiotics. However, reinfection is possible, making regular treatment of all sexual partners essential to prevent recurrence.


What Happens if an STI is Left Untreated?


Even if symptoms of an STI disappear, the infection can still cause significant long-term health problems. Untreated STIs can lead to:

  • Infertility
  • Chronic pelvic pain
  • Increased risk of other STIs
  • Organ damage and serious systemic issues

For these reasons, regular testing and prompt treatment are crucial. STIs require appropriate medical interventions to prevent severe health complications and to stop the spread of infections to others.

Female doctor assigning medication

Why the Ultimate STI Blood Test is Essential for Your Health

The Ultimate STI Blood Test from One Day Tests offers a comprehensive and convenient solution for detecting a wide range of sexually transmitted infections. Here’s why this test is an excellent choice for anyone looking to take control of their sexual health:


Comprehensive Testing


The Ultimate STI Blood Test covers multiple biomarkers through a combination of urine, swab, and blood samples. This all-encompassing approach ensures that you get a thorough screening for several common STIs, including:


  • Chlamydia
  • Gonorrhoea
  • Trichomonas vaginalis
  • Mycoplasma genitalium
  • HIV (Current)
  • Syphilis (Past infections)
  • Hepatitis B (HBsAg and HBcAb)
  •  Hepatitis C (anti-HCV)

Convenience and Ease


One of the standout features of the Ultimate STI Blood Test is its convenience. You can receive a discreet urine and swab home kit and get your blood taken at any of our clinics. The test kit includes clear instructions for collecting, making the process straightforward and stress-free.


Fast and Reliable Results


The samples are analysed in a CQC-regulated and EQA-verified laboratory, ensuring high standards of accuracy and reliability. You can expect fast turnaround times, with results typically available within a few days. This prompt service allows for quicker diagnosis, which is crucial in managing STIs effectively and seeking any necessary treatment.


Confidentiality and Privacy


Maintaining your privacy is a top priority. One Day Tests ensures that any samples and results are handled with the utmost confidentiality. You receive your results through the Health Dashboard, a secure online portal, that gives you peace of mind and control over your health information.

The Ultimate STI Blood Test

Take Charge of Your Sexual Health Today

Taking charge of your sexual health is one of the most empowering steps you can take for your overall well-being. The Ultimate STI Blood Test from One Day Tests offers a comprehensive, convenient, and reliable way to monitor your health and detect any potential issues early. With its extensive range of biomarkers tested through urine, swabs, and blood samples, this test provides a thorough screening for multiple STIs, ensuring that you have all the information you need to manage your health effectively.

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