Rep. Ronny Jackson (R-Texas), a former White House physician, is calling for President Joe Biden to be subjected to a drug test ahead of the presidential debate.

During an appearance on Fox News’ “Sunday Morning Futures,” Jackson told host Maria Bartiromo he was planning to send a letter to the current White House physician and Biden’s Cabinet, saying, “It’s embarrassing that I have to do this, and it’s really embarrassing as a former White House physician to have to do something like this, but we don’t have any choice based on what’s going on.”

“But I’m gonna be demanding on behalf of many millions of concerned Americans right now that he submit to a drug test before and after this debate, specifically looking for performance-enhancing drugs,” he added.

Jackson insisted the president’s performance at the State of the Union was “not similar at all to what we see on a day-to-day basis for the last three and a half years. And there’s surely no way to explain that other than he was on something, that they’d given him medication.”

Watch the video below:

Jackson suggested the reason Biden will be spending the week at Camp David leading up to the debate so staff can work on getting the “doses just right” to “help him think straighter” and “wake him up.”

Former President Donald Trump has previously suggested Biden will be using drugs ahead of the debate. During a speech in May, he said, “I just want to debate this guy, but you know – and I’m gonna demand a drug test too, by the way.”