Dennis Hopper Dennis Hopper

Dennis Hopper is out of the hospital and "feeling much better," according to his manager.

The actor checked into a New York hospital for flu-like symptoms and a stomach ailment on Wednesday, but left after being treated for dehydration, Hopper's manager, Sam Maydew, told

Dennis Hopper hospitalized in New York

"[He] is now back in his hotel room and feeling much better," Maydew said. "Dennis would like to thank everyone for their well wishes, and he looks forward to getting back to work on Crash."

Hopper, 73, was in New York to promote the upcoming second season of the Starz drama but was forced to cancel appearances on the Today show and Late Night with Jimmy Fallon.