Giuliani's doctor says his health is good

LARGO, Florida (Reuters) - Republican presidential candidate Rudy Giuliani's personal doctor declared him in good health on Wednesday, a week after the former New York mayor spent a night in the hospital after suffering a severe headache.

"It is my medical opinion that Rudy Giuliani is in very good health," Dr. Valentin Fuster said in a statement issued by Giuliani's campaign.

Fuster said the severe headache and fatigue that Giuliani complained of last week could be described as possibly flu-like symptoms. Giuliani, who battled prostate cancer in 2000, said on Monday he does not have cancer.

He was back on the campaign trail on Wednesday, kicking off a three-day Florida visit.

"I'm feeling great. I'm feeling terrific," Giuliani told reporters during a visit to an American Legion post in Largo, near St. Petersburg.

Fuster said a series of tests Giuliani had at Barnes-Jewish Hospital in St. Louis all came back normal and that Giuliani was examined and had an additional test when he returned home to New York.

"I confirmed there was no change in his health status," Fuster said. "Mr. Giuliani was not prescribed any medication and I recommended that he lighten his schedule only for a few days."

Vying to become the Republican nominee for the November 2008 presidential election, Giuliani also planned to campaign this week in Miami, Fort Lauderdale and Orlando.

He is concentrating on Florida's January 29 primary rather than the earlier contests in Iowa and New Hampshire, where he is trailing in the polls.

(Additional reporting by Robert Green in Largo; Editing by Peter Cooney)