King Charles and the Princess of Wales left the hospital on the same day after their respective treatments, and are expected to recover for weeks.
The King, 75, left the London Clinic on Monday afternoon with the Queen at his side, after spending three nights receiving medical treatment for an enlarged prostate.
He underwent a corrective procedure for his benign condition and could now take up to a month off from public duties while he recovers.
The monarch smiled and greeted the public as he left the private hospital with Camilla, who had visited her husband every day since he was admitted on Friday.
Buckingham Palace said in a statement: “The King was discharged from hospital this afternoon following planned medical treatment and has rescheduled his upcoming public engagements to allow for a period of private recovery.
“Her Majesty would like to thank the medical team and everyone who supported her visit to the hospital, and is grateful for all the kind messages she has received over the past few days.”
He left the London Clinic just hours after the Princess of Wales was discharged from the same hospital, almost two weeks after undergoing abdominal surgery for an undisclosed reason. Kensington Palace issued a statement on Monday saying she is continuing her recovery at home and is “making good progress.”
The family lives at Adelaide Cottage in Windsor's Home Park and is supported by their staff, including loyal and veteran nanny Maria Teresa Turrion Borrallo.
The future Queen, 42, is not expected to return to official duties until after Easter, and the Prince of Wales has temporarily stepped back from his royal role to juggle caring for her and her children.
A royal source told the sunday time The couple has switched to “100 percent family first, day job later,” however, the princess is likely working behind the scenes on her early years projects.
Kate's parents, Carole and Michael Middleton, and her siblings, Pippa Matthews and James Middleton, are also expected to help the family navigate the coming months as the princess recovers.
Among the engagements the princess will miss in the coming weeks are the Baftas in February, the annual Commonwealth Day service at Westminster Abbey and the St David's Day Parade in early March, as well as the St. Patrick's Day with the military later. the same month.
It is understood that his return to official duties will depend on medical advice as the time approaches and that William plans to resume his public involvement once his care and recovery have stabilised.
Kate will be under the close supervision of royal doctors and will also benefit from London Clinic aftercare, with dedicated physiotherapists available with a personalized plan and an at-home video check-up with a specialist nurse on hand.
The king was reported to have spent time at his daughter-in-law's bedside before his own treatment.
Charles was diagnosed with the benign disease on January 17 while in Birkhall, Scotland, after coming in for a check-up because he was experiencing symptoms. It is understood he wanted to share the news to encourage other men to get checked.
NHS England said the “enlarged prostate” page on the NHS website received a visit every five seconds on the day the King's diagnosis was announced, with huge increases in visits in the following days.
Buckingham Palace said the king was “delighted” to learn his diagnosis was having a “positive impact on public health awareness”.
Meanwhile, Downing Street has shared its support for both members of the royal family, saying the King deserves credit for raising awareness of prostate problems after sharing news about his own operation.
Asked about Rishi Sunak's reaction to Charles leaving hospital after treatment for an enlarged prostate, the Prime Minister's official spokesman said: “He is obviously pleased to have made a very quick recovery. “I understand that the NHS website has seen a significant increase in the number of people using it around that issue, and that is to their credit.”