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What is the required format for a doctor's letter for a DTV visa application in Thailand?

Oct 20, 2025
2 months ago
Dear members, kindly advise if there is a certain format of the letter issued by a doctor or a dentist for ongoing medical treatment DTV visa ? Also which embassy would you recommend to submit the application? Vietnam, Laos or Online ?
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TLDR : Answer Summary
The letter from the doctor or dentist for a DTV visa must be on official letterhead and include details such as the duration of treatment and number of visits. It is recommended to ensure the treatment plan is longer than six months, and all applications are typically submitted online. Both the Laos and Vietnam embassies are good options for submitting applications, with the Laos embassy requiring an in-person payment and brief interview.
DTV VISA RESOURCES / SERVICES
John **********
These days you really need a proper treatment plan signed off by a recognised doctor at an official hospital/clinic on that entities official letterhead. As
@Andi **********
said make sure the treatment plan spans longer than 6 months
Anonymous *************
ORIGINAL POSTER
Thank you very much Andi 🙏
Andi ***********
All applications are submitted online. If you apply via Laos you pay in person and have a brief interview once they assess your application. Both are good embassies to apply from. The letter should include length of treatment, the number of visits