The Republican nominee told "Fox and Friends" that he had a physical examination last week. He said he expects a report this week and he'll "be releasing very, very specific numbers."
VIDEO: Questions about Hillary Clinton's health 'unavoidable'
NEW: Clinton campaign says Hillary Clinton felt ?overheated? during 9/11 ceremony, left for Chelsea's apt., and is ?feeling much better.?— ABC News (@ABC) September 11, 2016
He said: "Hopefully they're going to be good. I think they're going to be good. I feel great."
The announcement comes after rival Hillary Clinton became ill at a 9/11 anniversary ceremony in Manhattan Sunday and was captured stumbling by amateur video.
VIDEO: Doctor says Clinton has pneumonia, recovering after 9/11 event
Trump says he hopes rival Hillary Clinton "gets well soon" but also expressed that he believe "something's going on."
Trump's move is likely to increase pressure on Clinton to release more information about her health.
Clinton has so far released more details about her health than Trump.