In Thailand you can get a confidential HIV or STI test without a referral, and the best-known place for visitors is the Thai Red Cross Anonymous Clinic in central Bangkok, where an HIV blood test cost 160 baht in July 2026. If you may have been exposed to HIV in the last 72 hours, go now: PEP, the emergency HIV medicine, has to be started within that window. If you were sexually assaulted, our page on help after a sexual assault takes you through the steps at your own pace.
This page is about services: where to test, what it costs, how PEP and PrEP work at the Red Cross clinic, and where to go at night. Testing is a routine health check, and the steps below are the same whoever you are. If you are a gay, lesbian or trans traveler, our guide to LGBTQ+ travel in Thailand covers the law, attitudes and Pride; this page covers the clinic side for everyone.
The Thai Red Cross Anonymous Clinic in Bangkok
The Anonymous Clinic (khlinik niranam) is run by the Thai Red Cross AIDS and Infectious Diseases Research Centre, which now calls itself AIDSID; its old website address, trcarc.org, redirects to the new one. The clinic offers:
- HIV testing, plus CD4, viral load and drug-resistance tests
- STI testing and treatment, and testing for hepatitis
- PEP (emergency HIV medicine after an exposure) and PrEP (HIV prevention medicine)
- vaccines against hepatitis A and B, HPV, flu and mpox
- mpox testing, a transgender clinic, and HIV self-test kits for sale
Anonymous Clinic: address and hours (as published, checked October 2026)
- Address
- 104 Ratchadamri Road, Pathum Wan, Bangkok 10330
- Phone
- 02 251 6711-5 (from abroad +66 2 251 6711); press 1 for information, 0 for the operator
- HIV tests, Mon-Fri
- 07:30-16:30, last queue ticket 15:00
- STI examinations, Mon-Fri
- 08:30-14:00, last ticket 14:00
- Out-of-hours HIV and STI testing
- Mon, Wed and Fri 16:30-20:00 (last ticket 19:00); Sat 08:30-12:00 (last ticket 11:00)
- PrEP and PEP
- Mon-Fri 07:30-15:00; Wed and Fri 16:30-19:00; Sat 08:30-11:00
- Closed
- Sundays and public holidays
The clinic's website is in Thai only, and its English pages did not load when we checked, so phone ahead if you want to confirm hours or ask whether a test is offered in English. Arrive well before the last ticket time: the STI examination queue closes at 14:00 on weekdays. The clinic is in central Bangkok; our Bangkok guide helps with getting around the city.
What tests cost: the clinic's price list
The Anonymous Clinic publishes its prices. These are the main ones from the list dated July 2026, which notes that prices may change. Weekday visits also carry a 50 baht service charge.
| Test | Weekday price | Out of hours | Result |
|---|---|---|---|
| HIV blood test | ฿160 | ฿192 | 1 hour |
| HIV NAAT (nucleic acid test) | ฿1,000 | ฿1,200 | 1 working day |
| Syphilis (RPR) | ฿60 | ฿72 | 1 hour |
| Hepatitis B (HBsAg) | ฿130 | ฿156 | 1 hour |
| Hepatitis C antibody | ฿300 | ฿360 | 2 hours |
| Gonorrhoea and chlamydia (NAT, per site: urine, throat, rectal) | ฿800 | weekdays only | 10 working days |
| STI-4 screen | ฿1,200 | ฿1,440 | 3 working days |
| STI-14 panel | ฿2,000 | - | 3 working days |
| Mpox test | ฿1,700 | - | 1 working day |
Out-of-hours sessions cost more overall: the list adds a 400 baht doctor's fee, a 150 baht service charge and a 20 baht card fee, with laboratory tests 20 % higher. An English medical certificate costs 500 baht. HIV self-test kits are sold at the clinic for 250-400 baht, depending on the type. The price list does not include PrEP or PEP medicines.
Some results take longer than your stay. The gonorrhoea and chlamydia test takes ten working days, so if you are leaving Thailand soon, ask at the desk how you will get the result, or plan to test at home instead.
PEP: the 72-hour emergency medicine
PEP (post-exposure prophylaxis) is a course of HIV medicine started after a possible exposure, for example sex without a condom or a condom that broke with a partner whose HIV status you do not know. Both the Red Cross clinic and the UK Foreign Office say it must start within 72 hours; sooner is better. The UK guidance says the course lasts 28 days.
At the Anonymous Clinic, you first see a counsellor and have a blood test the same day to check you do not already have HIV; if the test is negative, the clinic dispenses the medicine. Whether PEP is right for you, and which medicine, is the clinic's or the doctor's decision. Ask for the generic names in writing so a doctor at home can continue or check the course.
PEP at night, at weekends and outside Bangkok
Exposures rarely happen during office hours. If the Red Cross clinic is closed, or you are on an island or up north, go to a hospital emergency department and ask about HIV PEP. The UK Foreign Office says most government hospitals can advise on PEP but some do not offer it automatically, so ask directly. We could not confirm that every emergency department stocks it at night, so a larger hospital is the safer choice; our guide to hospitals in Thailand explains public and private hospitals and how payment works.
A pharmacy is not the place for PEP. Most pharmacies close in the evening, and the all-night options are limited, as our page on late-night pharmacies explains. The 72 hours count from the exposure, not from when a clinic opens, so do not wait for Monday if it is Friday night. Keep the receipts: our page on travel insurance for Thailand covers what policies usually include.
PrEP for visitors: what we could confirm
PrEP (pre-exposure prophylaxis) is HIV medicine taken before possible exposure to prevent infection. The Anonymous Clinic offers it: a counsellor first assesses your risk, and people who take it reliably can later use a quicker "PrEP Express" visit with a blood test and pick-up, without counselling. The UK's travel-health service, TravelHealthPro, suggests "considering HIV Pre-Exposure Prophylaxis (PrEP) if appropriate" as part of planning a trip.
What we could not confirm is whether foreign visitors get PrEP on the same terms as Thais, how much the medicine costs, or whether Thailand's public PrEP programme covers non-Thais. None of that was on the pages we could read. Phone the clinic on 02 251 6711-5 before you go, or start PrEP at home and bring enough for the trip: our guide to bringing prescription medicine into Thailand explains the 30-day rule, the original packaging and the doctor's letter.
Do not confuse HIV PrEP with rabies "PrEP", the pre-exposure rabies vaccine that travel clinics also offer. They are unrelated.
Drug-resistant gonorrhoea and mpox: the current warnings
The UK Health Security Agency says extensively drug-resistant gonorrhoea has been reported in UK travelers who visited popular tourist destinations in Thailand. That is a strong reason to use condoms with new or casual partners, which the UK calls the most effective protection, and to get tested afterwards even if you feel fine.
For mpox, the UK reported 88 confirmed cases of the clade Ib type in Thailand as of 24 July 2026. The US CDC recommends mpox vaccination for adults who expect sex or intimate contact with a new partner, at a commercial sex venue, in exchange for money or goods, or at a large public event such as a festival or party; it gives two doses four weeks apart, ideally starting at least six weeks before travel. The UK also lists vaccines against hepatitis B, HPV and mpox, and if appropriate gonorrhoea, as part of sexual-health planning; our guide to vaccinations for Thailand covers timing.
Condoms, symptoms and testing after you get home
Condoms are sold in pharmacies and convenience stores across Thailand, and the CDC's packing list for Thailand includes latex condoms, so there is no reason to go without. For other contraception, our page on contraception and the morning-after pill covers what Thai pharmacies sell.
The UK advises getting tested after sex without a condom with a new or casual partner abroad, even without symptoms, and telling the clinic where you traveled, because that changes which tests and treatments are right. If you notice new sores, discharge, pain or a rash, see a doctor or a sexual-health clinic rather than buying antibiotics over the counter, so the infection is tested and treated properly.
Frequently asked questions
Where can I get an STI test in Bangkok?
The Thai Red Cross Anonymous Clinic at 104 Ratchadamri Road tests for HIV and other STIs on weekdays, with evening sessions on Monday, Wednesday and Friday and a Saturday morning session. Private hospitals also test; prices and waiting times vary.
How much is an HIV test at the Red Cross clinic in Bangkok?
The clinic's price list from July 2026 gives 160 baht for an HIV blood test on a weekday, plus a 50 baht service charge, with the result in about an hour. Out-of-hours sessions cost more, and prices may change.
Can I get PEP in Thailand at night?
Go to a hospital emergency department and ask for HIV PEP. The UK says most government hospitals can advise on it but some do not offer it automatically, so ask directly. It must be started within 72 hours of the exposure.
Can tourists get PrEP in Thailand?
The Red Cross Anonymous Clinic offers PrEP after a counsellor's risk assessment, but its pages do not say whether visitors get it on the same terms or at what price. Phone 02 251 6711-5 to check, or bring a supply from home.
Is the Anonymous Clinic really anonymous?
It is set up for confidential testing, which is where its name comes from. If you want to understand how your records are kept, or whether a test can be done without your passport, ask at registration or by phone before your visit.
Sources
- Thai Red Cross AIDSID – Anonymous Clinic services (in Thai) (checked October 2026)
- Thai Red Cross AIDSID – Opening hours (in Thai) (checked October 2026)
- Thai Red Cross AIDSID – Service prices, July 2026 (in Thai) (checked October 2026)
- Thai Red Cross AIDSID – PrEP and PEP service (in Thai) (checked October 2026)
- Thai Red Cross AIDSID – Contact (in Thai) (checked October 2026)
- UKHSA TravelHealthPro – Thailand: sexual health and outbreaks (checked October 2026)
- CDC – Thailand traveler view: mpox vaccination (checked October 2026)
- UK Government – Thailand: information for survivors of rape and sexual assault (PEP) (checked October 2026)
- CDC – Thailand healthy travel packing list (checked October 2026)