Its the question everyone asks, but few people want to say out loud. You're worried about a symptom or a past encounter, and you want to get checked. But you're also in a foreign country, and you've heard horror stories about "tourist pricing" and surprise medical bills.

You want to know: How much does an STD test cost?

The short answer is that it varies wildlyfrom a few hundred baht for a single rapid test to thousands for a full laboratory panel. But "it depends" isn't helpful when you're anxious.

Lets break down the real costs of sexual health testing in Koh Samui for 2025, so you can budget for your peace of mind without the sticker shock.

 

Why You Can Trust Us

 

We are the medical team at Doctor Lamai Clinic. We see patients for sexual health checks every single day. We know the exact market rates because we are part of the local healthcare system. Weve seen the hospital bills tourists bring in, and we know the pharmacy prices. We believe in transparent healthcareno hidden fees, no surprises, just clear answers to help you make the best choice for your health and your wallet.

 

The Three Price Tiers of STD Testing in Koh Samui

 

In Thailand, the price of your test depends entirely on where you go. As a tourist or expat, you generally have three options.

 

1. The "Premium" Option: International Private Hospitals

 

Koh Samui has world-class private hospitals. They are excellent, but they are expensive.

The Cost: You can expect to pay 3,500 6,000 THB ($100 - $170 USD) for a basic STD screening package.
Hidden Fees: This price often excludes the doctors consultation fee (approx. 800-1,500 THB) and a "hospital service charge" (approx. 300-500 THB).
Verdict: Good if you have premium insurance that covers everything, but expensive for paying out-of-pocket.
 

2. The "Budget" Option: Government Hospitals

 

The Cost: Very low, often under 1,000 THB ($30 USD).
The Trade-off: Time and privacy. You may wait 4-6 hours in a crowded public waiting room. Language barriers are common, and results can take longer to process.
 

3. The "Balanced" Option: Private Medical Clinics (Like Ours)

 

This is the sweet spot for most travelers.

The Cost: Prices are typically 30-50% lower than international hospitals.
The Experience: You get English-speaking doctors, total privacy, and fast results without the "hospital premium" price tag.
 

Price Breakdown: How Much for Each Test?

 

To give you a realistic budget, here is what you can expect to pay at a standard private clinic in Koh Samui.

 

Rapid Tests (Results in 20 Minutes)

 

These are the most affordable and fastest options. They screen for antibodies in your blood.

HIV (4th Gen): 600 1,000 THB
Syphilis (VDRL/TPHA): 400 800 THB
Hepatitis B or C: 500 900 THB
 

Laboratory Tests (Results in 2-4 Days)

 

These tests require a sample (urine or swab) to be sent to a lab for DNA analysis. They are more expensive but highly accurate.

Chlamydia & Gonorrhea (PCR): 2,500 3,500 THB
Herpes (HSV) Blood Test: 1,500 2,500 THB
 

Full Screening Packages

 

Most clinics offer a "Peace of Mind" package that bundles these tests together for a discount.

Basic Package (HIV, Syphilis, Hep B/C): Approx. 1,500 2,500 THB
Comprehensive Package (All of the above + Chlamydia/Gonorrhea): Approx. 3,500 5,500 THB
 

Don't Forget the "Hidden" Costs

 

When you ask "how much does an STD test cost," you also need to factor in two other things:

Doctor's Consultation Fee: At a clinic, this is usually 500 1,000 THB. This covers the doctors time to assess your risk, explain the tests, and interpret the results for you.
Treatment (If Positive): If your test is positive, you will need medication.

Antibiotics for Chlamydia/Gonorrhea: ~1,500 2,500 THB (depending on the regimen).
Antivirals for Herpes: ~1,000 2,000 THB.
Syphilis Injections: ~1,500 THB per dose.
 

Can I Just Buy a Test Kit at a Pharmacy?

 

You might see "home test kits" in pharmacies. While they are cheap (300-500 THB), we generally do not recommend them for tourists.

Accuracy: User error is common. A false negative can give you dangerous false confidence.
No Support: If you test positive alone in your hotel room, you have no one to guide you on what to do next.
 

Does Travel Insurance Cover the Cost?

 

This is a common question.

Yes, if you have symptoms: If you go to the doctor because you have pain, discharge, or a rash, this is a medical illness. Most travel insurance policies will cover the consultation and testing.
Maybe not, if it's "just checking": Routine screening without any symptoms is often considered "preventative care" and may not be covered.
At Doctor Lamai Clinic, we provide you with an official medical certificate and itemized receipt, which gives you the best chance of a successful claim.

 

Your Affordable, Private Clinic in Koh Samui

 

You don't need to spend a fortune at a hospital to get high-quality medical care. At Doctor Lamai Clinic, we offer transparent pricing. You will know exactly what the test costs before we do it. No surprises.

Address: 124/254 Moo.3, Lamai beach, Koh Samui, Surat Thani, 84310
Hours: Open Every Day from 9:00 AM to 7:00 PM
Phone: +66 65 262 9396
Email: doctorlamaiclinic@gmail.com
Map: Find us on Google Maps
 

Frequently Asked Questions (FAQ)

 

 

Why is the Chlamydia test more expensive than the HIV test?
 

The HIV test is a "rapid" blood test that uses a simple cassette. The Chlamydia test is usually a DNA PCR test. It requires your sample to be sent to a specialized laboratory where machines cycle the DNA to find the bacteria. This high-tech process costs more but is far more accurate than a rapid swab.

 

Can I pay for just one specific test?
 

Yes. You don't have to buy a full package. If you are only worried about a specific exposure (e.g., a broken condom with a partner who has HIV), you can pay for just that single test.

 

Is the price cheaper if I don't see the doctor?
 

In Thailand, a medical test usually requires a doctor's order to be official, especially if you want a prescription or an insurance claim. The consultation ensures you are taking the right test for your specific window period and symptoms.

 

Do you charge extra for foreigners ("Dual Pricing")?
 

At Doctor Lamai Clinic, we believe in fair pricing. Our prices are standard for all patients. We do not have inflated "tourist prices" like some facilities.

 

What is the cost of PEP (Post-Exposure Prophylaxis) if I think I was exposed to HIV?
 

PEP is a 28-day course of emergency antiviral medication. The cost for the full month of medication plus the necessary blood tests is typically around 4,000 8,000 THB depending on the specific drugs used. This is significantly cheaper than in Western countries.

 

References
 

Pulse Clinic Thailand. (2025). STD Testing Prices and Packages. https://www.pulse-clinic.com/pricelist
Bangkok Hospital Samui. (2024). Check-up Packages. https://bangkokhospitalsamui.com/en/packages-promotions/
Thai Travel Clinic. (2024). Cost of Vaccines and Services. https://www.thaitravelclinic.com/cost.html