Former First Lady Barbara Bush was discharged from the Houston Methodist Hospital on Saturday morning following six days of treatment for pneumonia.
"I cannot thank the doctors and nurses at Houston Methodist enough for making sure I got the best treatment and got back to George and our dogs as quickly as possible," Mrs. Bush said.
Bush, the 88-year-old wife of former President George H.W. Bush, was admitted on Monday to Houston Methodist Hospital, a family spokesman said.
She looks forward to rejoining her husband and her dogs, said spokesman Jim McGrath.
Barbara Bush, who is known to the American public for her no-nonsense attitude, left the White House in January 1993 at the end of her husband's term and went on to write her memoir and pursue her interest in promoting literacy.
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The former First Lady is also the mother of George W. Bush, the 43rd U.S. president.