The co-host of Live! With Regis and Kelly said on Friday's show: "It's no big deal. It's really nothing."
He stated he expects to be back at work the next day.
Philbin is no stranger to health problems . He had hip replacement surgery in December and triple heart bypass surgery in 2007.
He says the leg pain has made it hard for him to walk and that "one of the things you've got to do when you get a new hip is continue to walk."