By Javier Sánchez · Updated 2026-10-19

Medical certificate for a Thai driving licence

The medical certificate is one of the documents the DLT asks for. Any clinic or hospital can issue it in a few minutes. The only trap is timing: it must be recent when you reach the counter.

This is one step of the main guide: how to get a Thai driving licence as a foreigner.

What the certificate is

A short document, signed by a doctor, saying you are fit to drive. The DLT started asking for it for new and renewed licences in 2021 and it must follow the standard form of the Medical Council of Thailand. It has two parts: a statement from you about your health and an assessment by the doctor.

The form lists conditions that would stop you driving, and the doctor confirms you do not have them. The main guide covers what the DLT asks for as a whole.

Where to get it

At any clinic or hospital. You do not need an appointment at most clinics and it takes a few minutes. Verified The author has had it done at several different clinics in Thailand, with no problem at the DLT.

Clinics near DLT offices are used to the request and often advertise it. A hospital also issues it, but it costs more and takes longer.

What the clinic checks

Sources describe a basic check: blood pressure, general physical condition and often a colour-vision test, and some add hearing or mental health questions. The depth differs by clinic, and the certificate is valid for the DLT if the form is complete and signed.

Do not confuse it with the tests at the DLT. The office runs its own colour-blindness, eyesight and reaction tests, whatever the certificate says.

What it costs

Verified At the clinics the author has used, it cost about 100-300 THB.

What sources report: Clinic and hospital prices

  • About 150-300 THB at a clinic, 600 THB or more at a hospital Expat Den
  • 150 THB for foreigners against 100 THB for Thais at one clinic near the Chatuchak office a travel blog
  • 100-500 THB other 2026 guides

Prices are not fixed. Ask before you sit down.

How long it is valid, and when to get it

The DLT asks for a certificate issued within the last 30 days. If the doctor writes a shorter validity, that applies; if nothing is written, sources say one month.

  1. Book the DLT appointment first

    Then you know the date the 30 days must cover.

  2. Get the certificate 1-3 days before

    Early enough to fix a mistake, late enough to be fresh.

  3. Keep the original and bring a copy

    Together with the certificate of residence, which has the same 30-day limit.

Common mistakes

  • Getting it weeks before the appointment, so it has expired when you reach the counter.
  • Leaving the form unsigned or without the clinic stamp.
  • Assuming the certificate replaces the DLT's own sight and reaction tests.

Frequently asked questions

Do I need a medical certificate to renew my Thai licence?

Yes, the DLT asks for one for new licences and for renewals. Check the renewal guide for the other documents.

Can any clinic issue the DLT medical certificate?

Yes, any clinic or hospital that uses the standard form. It is not limited to government hospitals.

How much does a medical certificate for a driving licence cost?

About 100-300 THB at a clinic, and 600 THB or more at a hospital. Sources give slightly different ranges, so ask the price first.

How long is a DLT medical certificate valid?

About 30 days, counted to your appointment at the DLT. Get it 1-3 days before.

Does the certificate replace the sight test at the DLT?

No. The DLT still tests colour vision, eyesight and reaction at the office, except for the renewals that the 2026 rules exempt.

Practise before the real test

470+ questions in English with the official Thai signs and road markings, and a mock exam for car or motorcycle. Free, no sign-up.

Start practising

Sources

Requirements, fees and procedures change and differ by office. Confirm with the Department of Land Transport or your local office before you act.