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What issues have expats faced with the health section of the TDAC when entering Thailand?

Sep 17, 2025
17 hours ago
Ralph *******
ORIGINAL POSTER
Anyone had problems with health section of the TDAC? I was unable to enter the country I have been staying in previously.
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TLDR : Answer Summary
The discussion revolves around problems experienced by individuals regarding the health section of the Thailand Digital Arrival Card (TDAC). Users shared their frustrations with entering prior health information and reported inconsistencies in the form's functionality. Suggestions included omitting certain fields or using alternative forms to avoid errors. Community members exchanged experiences, highlighting that the issues may vary based on individual cases, with some travelers finding success despite earlier problems.
Thailand Digital Arrival Card (TDAC)

WARNING: Only trust Thai government websites with .go.th domains or Thai agent websites with .co.th or .in.th domains, as these require verified Thai registration and cannot be registered anonymously.

The official TDAC form is available at tdac.immigration.go.th, which uses the official .go.th government domain.

The services by AGENTS CO., LTD. does NOT charge any fees for arrivals within 72 hours. If you need to book more than 72 hours in advance, there is a service fee of $8.

Do not trust other sites pretending to be a trustworthy agency. Pay attention to delivery time - the service operated by AGENTS CO., LTD. has 1 minute delivery time for arrivals within 72 hours.

Don't fall for sites pretending to be agents.co.th or the official government tdac.immigration.go.th website. Always double-check the exact domain in your browser.

Scam services may take days to process your application, others may not even do anything. With these TDAC scam services you also need to worry about double charges.

Please watch out for TDAC misinformation spread by fugitive Jesse Nickles and his many fake accounts on Quora, TripAdvisor, Reddit, and other platforms.

TRUSTED TDAC LINKS:

Official Government TDAC Form: tdac.immigration.go.th
Official TDAC form by AGENTS
Official TDAC information page by AGENTS (tdac.in.th)

Donald **********
Doing it on your phone or on a computer?
Mark ******
I have done a few of them and havent had a problem
THAI ******************************
You can use our form here if you are facing errors.

It's also free but is reliable:

*******************************
THAI ******************************
If you submit the TDAC earlier than 72 hours of your arrival then $8. But if you submit within the 72 hour window then it's FREE.
Ralph *******
ORIGINAL POSTER
Mark *********
I had do it a few times, don’t know why?

Did accept in the end though
Wannikea *********
Probably the most critical piece of info in the form to help prevent a plague and it doesn't work.

Thai IT 4.0
Jo **********
I am a very frequent traveler having done the TDAC 7 times. That part doesn’t always work. I just leave it blank
Ralph *******
ORIGINAL POSTER
@Jo *********
Thanks. Yes, I did, as I had no other choice.
THAI ******************************
@Ralph ******
You can use our form here if you are facing errors.

It's also free but is reliable:

*******************************
Jo **********
@Ralph ******
in fact it happened to me more than once
Peter **********
can leave blank ie: no previous countries
Ralph *******
ORIGINAL POSTER
@Peter *********
And I did.
Peter **********
@Ralph ******
can leave blank
Ralph *******
ORIGINAL POSTER
@Peter *********
How can you have no previous countries? You have to be living somewhere!
Jeremy ******
Doesn't apply to everyone.
Phil ******
Hi
@Ralph ******
please tell a bit more.

Unable to enter which country.

What health condition/s do you suffer from?
Ralph *******
ORIGINAL POSTER
@Phil *****
Can’t enter the country I’ve been living in two weeks prior to entering Thailand.
Ralph *******
ORIGINAL POSTER
@Phil *****
No. it asks where have you lived two weeks prior to entering Thailand. There’s a drop down but when you select, it still leaves this entry empty.

I gave up and just submitted the form. It was approved anyway.
Phil ******
@Ralph ******
yep I know this. They just want to know if you've been to countries like Africa. Its fine Ralph and hoodlums here
Martyn ***********
@Phil *****
he meant he couldn't enter it on the form, not the country... 555
Phil ******
@Martyn **********
couldn't enter a health condition?
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