Britain’s King Charles faced a brief health setback on Thursday after experiencing side effects from his ongoing cancer treatment, Buckingham Palace confirmed. The 76-year-old monarch spent a short time under medical observation before returning home to Clarence House.
While the palace did not disclose the specific side effects, royal sources reassured the public that this was nothing more than a minor obstacle in what has otherwise been a positive recovery. “It’s just a small bump in the road,” a source close to the royal family said. “The treatment is developing well, and this is not uncommon.”

King Charles III attends an exhibition at Somerset House, Photo Credit: Reuters/Youtube
King Charles Reschedules Public Engagements
Out of an abundance of caution, King Charles has postponed his scheduled events for Friday, which included multiple engagements in Birmingham. On Thursday, he had also been set to receive credentials from three foreign ambassadors, but those meetings were rescheduled as well.
A palace spokesperson said the King was deeply disappointed to miss the events but looked forward to rescheduling. “His Majesty sincerely apologizes to all those who worked so hard to prepare for the visit and is grateful for their understanding,” the statement read.

King Charles III attends an exhibition at Somerset House, Photo Credit: Reuters/Youtube
Despite this temporary setback, sources say Charles remains in good spirits and continues to fulfill his royal duties from home, making calls and staying engaged in his work.
A Carefully Managed Recovery
The King was first diagnosed with an undisclosed form of cancer in February last year after undergoing a procedure for an enlarged prostate. His diagnosis came as a shock, less than 18 months into his reign.
Since then, Charles has been undergoing treatment while maintaining a carefully managed schedule. While his health has required some adjustments, he has largely returned to work, staying active in his role as sovereign.

King Charles III attends an exhibition at Somerset House, Photo Credit: Reuters/Youtube
His upcoming state visit to Italy, scheduled for next month alongside Queen Camilla, is still expected to proceed as planned. Royal aides have expressed confidence in his recovery, emphasizing that the King’s medical team remains closely involved in planning his schedule to ensure he doesn’t overexert himself.
A Time of Health Challenges for the Royal Family
The King’s health battle comes as his daughter-in-law, the Princess of Wales, has also faced a cancer diagnosis. Princess Kate, 43, revealed earlier this year that she had undergone treatment and is now in remission. She has gradually been resuming her royal duties, bringing hope to the family and the nation.
King Charles, known for his tireless work ethic, has been urged by Queen Camilla and other family members to take things at a slower pace. While he remains dedicated to his role, his team continues to monitor his recovery to ensure he maintains his strength.

A written statement from Buckingham Palace, Photo Credit: Reuters/Youtube
For now, the message from Buckingham Palace is clear: the King’s treatment remains on track, and he remains fully committed to his royal responsibilities.