Howie Mandel shares why he was he collapsed in coffee shop

Howie Mandel got a health scare after he fainted at a coffee shop.

The America’s Got Talent judge shared that he underwent a medical procedure, a colonoscopy, and had a coffee causing him to become dehydrated and subsequently faint.

"I was dehydrated. I had a colonoscopy a few days ago," he said.

"You take a drink and you empty out," he said, before jokingly adding, "I had consensual diarrhea the entire night. Most people don’t ask for it. I took something that gives you consensual diarrhea and then I was dehydrated.

"The moment I woke up from the colonoscopy I worked,

"I did Logan Paul’s podcast and then I did [another] podcast. And all I kind of lived on was coffee and caffeine, which also exacerbates dehydration, I was told … Apparently when you do that you will pass out at Starbucks."