Beau Biden, son of Vice President Joe Biden was being treated Tuesday at Walter Reed National Military Medical Center, the vice president’s office said.
The vice president's office did not immediately provide any other information about why the 46-year-old has been hospitalized.
Biden, a former Delaware attorney general, has had a history of a health problems. He suffered a mild stroke in 2010 and underwent underwent surgery at a Texas cancer center in 2013 to remove a small lesion.
He announced last year that he would not seek a third term as attorney general and instead planned to run for governor in 2016. In January, he joined Wilmington law firm Grant & Eisenhofer, which announced three weeks ago that Biden would be expanding his work there on behalf of whistleblowers.
The Associated Press contributed to this report.