The White House says it believes President Donald Trump's eldest son had a "legitimate reason" in citing attorney-client privilege to avoid answering questions to Congress about conversations with his father.
"That will take place at Walter Reed (National Military Medical Centre), and those records will be released by the doctor following that taking place", Sanders said.
The White House is so sensitive to questions about Trump's declining health that Sarah Huckabee Sanders came back after the White House briefing ended to claim that Trump is fine.
The Internet was set abuzz by the slurred speech at the end of Trump's speech on Wednesday, particularly the way he said "God bless the United States".
Prince Harry makes a heartfelt confession about his late mother, Princess Diana
I was like 'Can I give you the ring?'. "It was a really nice moment", the prince said. "I think she's capable of anything". And Ms Markle's parents Thomas Markle and Doria Ragland said in a statement the couple's union was a source of great joy.
During his almost one year as president, Trump, now 71, has not publicly released any medical records. "He does have a physical scheduled for the first part of next year".
During the U.S. presidential campaign, Mr Trump suggested Hillary Clinton was not fit to take office after his opponent appeared to collapse during a 9/11 memorial service.
In September 2016, during the general election campaign, Trump released a doctor's note that included some medical information.
"As we continue to unleash the American economy from unnecessary regulation and taxes, we look forward to seeing more reports like this, showing a healthy and thriving jobs market for the American people", she said. But she testified to Trump's endurance. "But I'd be happy to share any information".