Ouch.

Eddie Van Halen is recovering after undergoing emergency surgery for "a severe bout of Diverticulitis," according to Van Halen's Facebook page.

Eddie Van Halen is recovering after undergoing emergency surgery for "a severe bout of diverticulitis," according to a statement on Van Halen's Facebook page. It says the guitarist is not expected to need any more operations and should recover in four to six months. The band had a tour of Japan booked for November, which is being postponed.

Diverticulitis occurs when a small pouch off an organ such as the large intestine becomes inflamed.