4-Infection Blood STI Panel
฿2,290
HIV, syphilis, hepatitis B and hepatitis C, assessed through six blood markers.
- Panel results
- 24 hours
Kauri Health Clinic · BTS Punnawithi
HIV: understand the test and your next step
Understand fourth-generation testing, window periods and prevention.
- Infection type
- Viral infection
- Relevant sample
- Blood testing
- Treatment outlook
- Long-term control with ART
How is HIV transmitted—and how is it not?
HIV can pass through blood, semen, vaginal or rectal fluids and breast milk when they reach susceptible tissue or the bloodstream. Main routes include anal or vaginal sex without effective prevention, sharing injection equipment, and pregnancy, birth or breastfeeding. HIV is not spread by hugging, sharing food, toilet seats or mosquitoes. Oral sex carries much lower HIV risk than anal or vaginal sex, although other STIs can spread through oral contact.
What are the early symptoms of HIV?
Some people develop a flu-like illness around 2–4 weeks after infection, with fever, sore throat, swollen glands, rash or fatigue. Others have no symptoms. These symptoms also occur with many common illnesses and cannot diagnose HIV. After the early phase, someone may feel well for years while the virus remains present. A test based on the exposure date and test type gives more useful information than symptoms alone.
How long does HIV stay in the body?
HIV is a lifelong infection with current routine treatment. Antiretroviral therapy suppresses the virus rather than removing every infected cell. With consistent treatment, viral load can become undetectable and the immune system can remain strong. Undetectable equals untransmittable, or U=U, refers to sexual transmission while viral suppression is maintained. It does not mean the virus is cured or that treatment can be stopped.
When should I take a fourth-generation HIV test?
A laboratory fourth-generation antigen/antibody test using blood from a vein can usually detect HIV 18–45 days after exposure. It looks for p24 antigen and HIV antibodies. An early negative result may need repeating after the window period. PEP or PrEP can affect the testing schedule, so tell the clinician if you use them. A reactive screening result needs follow-up testing before a diagnosis is confirmed. A 24-hour laboratory turnaround is not a 24-hour window period.
How is HIV managed today?
Antiretroviral therapy, often called ART, combines medicines that stop HIV from multiplying. Starting care promptly after diagnosis protects the immune system and reduces complications. Follow-up checks viral load, immune health and how treatment fits the person. A confirmed positive result should lead to prompt linkage with an HIV treatment service. Kauri provides confidential HIV testing and explains the next steps when a result needs follow-up.
What if I may have been exposed to HIV recently?
If a possible exposure was within 72 hours, seek urgent assessment for HIV post-exposure prophylaxis (PEP) now; do not wait for symptoms or a routine test appointment. It works best when started as soon as possible. PrEP is a different prevention option used before ongoing exposure. Condoms, sterile injection equipment and regular testing also support prevention. Ask an appropriate sexual-health service about the prevention plan that fits your circumstances.
Patient questions
HIV: common questions
Does a negative HIV test cover every recent exposure?
Not if the test was taken during the window period. The clinician considers your most recent exposure, the test method and any PEP or PrEP use when deciding whether another test is needed.
Can a urine STI panel test for HIV?
Kauri's urine panels do not test for HIV. Choose the individual fourth-generation HIV blood test or the four-infection blood STI panel, which includes it.
Panel turnaround starts after sample collection; it is not the time from exposure until infection becomes detectable. Individual-test timing and any additional clinical assessment are confirmed separately.
STI clinical references
Updated 17 October 2026. Educational information based on the clinical sources below; Kauri supplied the listed service availability and prices. Your assessment determines the tests and treatment appropriate for you.
Kauri Health Clinic · BTS Punnawithi
Plan a confidential visit at BTS Punnawithi
Kauri Health Clinic is at BTS Punnawithi, 3063 Sukhumvit Rd, Bang Chak, Phra Khanong, Bangkok 10260. Open Tuesday–Saturday, 9:00–18:00; closed Sunday and Monday. Tell us your concern, when any exposure happened and whether you have symptoms. Bring previous results and a list of medicines; the team will explain preparation and next steps privately.
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