Here’s the latest I can share based on recent public reporting up to May 2026.
Direct answer
- Reports from late May 2026 indicate Princess Bajrakitiyabha’s health has significantly deteriorated, with multiple organ infections complicating her already fragile condition and continuing intensive medical care in Bangkok. Please note that Thai royal health updates are issued by the Royal Household Bureau and can change rapidly.
Context and what’s known
- Princess Bajrakitiyabha Mahidol, King Maha Vajiralongkorn’s eldest daughter, has been in a coma since a 2022 collapse linked to a serious heart condition. The Royal Household Bureau has periodically issued statements outlining her condition and treatment, with updates typically focusing on heart, lung, kidney, and infection-related issues.[2][3][4]
- International and regional outlets have tracked the ongoing uncertainty surrounding her prognosis, including discussions about potential implications for royal succession and public sentiment toward the monarchy in Thailand. These discussions reflect broader royal-political dynamics rather than confirmed changes in status.[4][2]
What to watch for
- The Royal Household Bureau’s official statements remain the primary source for medical updates. Look for any of the following in their statements: stabilizations or deterioration of heart rhythm, organ support status (machine-assisted respiration or dialysis), and any announced changes in treatment strategy or prognosis.
- Major Thai news outlets and international wire services often summarize these updates and provide context on public reaction and potential succession considerations.
Citations
- Reports describing the deteriorating condition and ongoing intensive care following multiple organ infections reference Royal Palace updates and medical care status.[1]
- Historical and ongoing coverage of Princess Bajrakitiyabha’s coma and heart condition is documented in prior palace statements and coverage about her health trajectory.[3][4]
- Analyses and reporting on potential implications for the Thai monarchy and public sentiment have appeared in major outlets.[2]
If you’d like, I can monitor for new official statements and summarize any fresh updates in real time, or pull the latest reliable articles from Thai and international outlets with brief annotations.
Sources
The Royal Household Bureau released its sixth statement on the condition of Her Royal Highness Princess Bajrakitiyabha, the Princess Rajasarinee Siribajra, on Sunday (August 31, 2025).
www.nationthailand.comThe Royal Household Bureau officially reported today that Princess Bajrakitiyabha remains unconscious after being hospitalised for one year.
thethaiger.comPrincess Bajrakitiyabha’s health crisis has triggered speculation on the future of Thailand’s monarchy amid an increasing anti-royalist public sentiment.
www.vice.comThe princess of Thailand collapsed while training her dogs and was taken to hospital, the palace said.
www.express.co.ukBangkok, Dec 16 (EFE).- Places of worship across Thailand on Friday held prayers for King Vajiralongkorn’s eldest daughter Princess Bajrakitiyabha, following her collapse earlier this week due to a heart condition. Bajrakitiyabha, 44, lost consciousness on Wednesday afternoon while training her dog for a competition in the city of Nakhon Ratchasima, about 250 kilometers northeast ... Read more
efe.comThe Royal Household Bureau released its fifth statement on the condition of Her Royal Highness Princess Bajrakitiyabha, the Princess Rajasarinee Siribajra, on August 19, 2025.
www.nationthailand.com