Follow along with The Post’s live blog on everything you need to know about the British royal family. King Charles later returned to Clarence House to recuperate after his stay at the hospital.

King Charles hit back with a hilarious eight-word reply ... they were managing to "survive the side effects alright?" "You just have to push on, don't you," he said, sympathetically.

March 28 (UPI) --Britain's King Charles III experienced side effects from his cancer treatment and was briefly hospitalized on Thursday, Buckingham Palace announced. After being discharged later ...