Is a fit to fly certificate from Germany sufficient for entry to Thailand?

Many users agree that a fit to fly certificate from Germany is generally acceptable for entry to Thailand, especially if it includes specific details such as being on official letterhead, being signed and stamped by a doctor, and dated within 72 hours of travel. One user shared their positive experience entering Thailand with a similar document, while another suggested contacting the airline for confirmation. There is also mention that the fit to fly requirement may soon be obsolete, indicating changing regulations.