Jon Gosselin says he coughed up a 'blood clot' in terrifying medical crisis weeks before wedding

Jon Gosselin opened up about experiencing a terrifying medical crisis in the weeks leading up to his wedding last November. 

During an interview with Fox News Digital, the 47-year-old "Jon & Kate Plus 8" alum detailed how he suffered a health scare ahead of marrying his now-wife Stephanie Lebo, recalling that he realized he needed serious medical attention after coughing up a "blood clot."

Gosselin explained that he began feeling unwell in late October ahead of the Halloween party that he hosts every year.