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Answereda year ago

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

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Ralph *******
asked Sep 17, 2025
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Anyone had problems with health section of the TDAC? I was unable to enter the country I have been staying in previously.
Answer summary
Travelers have reported various issues with the health section of the TDAC (Thailand Pass) application, often finding that the form doesn't work as expected. Some advised leaving the health section blank if they had no previous countries to declare, while others shared experiences of successfully submitting the form after initial errors. There were mentions of potential relevance to health conditions such as yellow fever, indicating that the health section could be critical in preventing disease transmission. Several users offered assistance by sharing alternative application forms.
35 repliesnewest first
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Lynnette *******
Lynnette *******
Think it's about countries with yellow fever.
Donald **********
Donald **********
Doing it on your phone or on a computer?
Ralph *******
Ralph *******
OP
@Donald *********
It’s very frustrating. I find this stuff all the time.

But in this case I needed to get that document submitted so it was stressful.
Ralph *******
Ralph *******
OP
@Donald *********
Yes, I understand software glitches very well having worked in IT quality assurance for many years.
Donald **********
Donald **********
@Ralph ******
should come as no surprise then. 😂
Ralph *******
Ralph *******
OP
@Donald *********
On my phone.
Donald **********
Donald **********
@Ralph ******
Maybe better to do on a computer rather than on a phone? Or at least it gives you another option. This will be a software glitch and I experienced the same at one point, in not being able to enter the information requested. I was eventually able to enter it though, one way or another. There could also be variations between iPhone and Android apps, depending on how well debugged the software for each platform is!
Mark ******
Mark ******
I have done a few of them and havent had a problem
THAI ******************************
THAI ******************************
You can use our form here if you are facing errors.

It's also free but is reliable:

*******************************
THAI ******************************
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 *******
Ralph *******
OP
Mark *********
Mark *********
I had do it a few times, don’t know why?

Did accept in the end though
Wannikea *********
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 **********
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 *******
Ralph *******
OP
@Jo *********
Thanks. Yes, I did, as I had no other choice.
THAI ******************************
THAI ******************************
@Ralph ******
You can use our form here if you are facing errors.

It's also free but is reliable:

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

Unable to enter which country.

What health condition/s do you suffer from?
Ralph *******
Ralph *******
OP
@Phil *****
Can’t enter the country I’ve been living in two weeks prior to entering Thailand.
Ralph *******
Ralph *******
OP
@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 ******
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 ***********
Martyn ***********
@Phil *****
he meant he couldn't enter it on the form, not the country... 555
Phil ******
Phil ******
@Martyn **********
couldn't enter a health condition?
Phil ******
Phil ******
@Lynnette ******
shit me too
Lynnette *******
Lynnette *******
@Phil *****
I'm easily confused. . It's annoying when you think you're replying to original and it's someone else. I blame old age!
Phil ******
Phil ******
@Lynnette ******
yeh sometimes I get confused too
Lynnette *******
Lynnette *******
@Phil *****
sorry, it was meant for op
Phil ******
Phil ******
Lynnette *******
Lynnette *******
@Phil *****
what notifiable health condition do you have?

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