Zsa Zsa Gabor was rushed to a hospital Tuesday after blood and mucus began pouring from her mouth.
Gabor's husband Frederic Prinz von Anhalt said Gabor was being taken to UCLA Medical Center.
Anhalt said there was "lots of blood coming out of her mouth" before she was taken, TMZ reports.
Doctors told Prinz von Anhalt that she was bleeding internally and he should call an ambulance, Gabor's rep said.
A hospital spokesman said because of confidentiality laws, he could not confirm or deny that she was at the hospital or give a condition update. But the star was photographed exiting an ambulance there.
When the doctor visited Gabor at her home on Sunday, she didn't recognize him or her husband, Gabor's rep said.
Gabor's right leg was amputated two weeks ago, an operation that doctors said was necessary to save her life, her publicist said. She returned home Jan. 22.
"The surgery today went well, however, she is in frail health so we will continue to monitor her closely," said Dr. David Rigberg, associate professor of vascular surgery, said at the time.
Gabor, who had an infection in her leg for several months, was hospitalized on Jan. 2 after efforts to save her leg with antibiotics failed.
Gabor broke her hip and had replacement surgery in July, and has been hospitalized several times since for swelling in her legs and blood clots throughout her body.
"Ms. Gabor needed an amputation above her knee due to poor circulation and a large ulcerated area on her right leg," Rigberg said. "After consulting with her husband, Frederic Prinz von Anhalt, we felt this was the best medical course of action."
In August, Gabor was in critical condition and asked for a priest during a hospital visit. She recovered and returned home.
Gabor has used a wheelchair since she was partially paralyzed in a 2002 car accident, and she had a stroke in 2005.
She retreated from the spotlight after the accident and stroke. She liked staying home and watching soap operas, game shows and old movies, husband von Anhalt told reporters in July. She detested having her picture taken by the paparazzi while she was in her wheelchair.
"She wants people to remember her as she was years ago," he said then.
A Hungarian-born sex symbol of the 1950s and 1960s, Gabor had a brief and unremarkable film career, from "Moulin Rouge" in 1952 to "Queen of Outer Space" in 1958.
Her primary role was herself, dripping in glamour during TV special and game show appearances and uttering her trademark "dahling." She was also thrust into the international spotlight during a three-week trial for slapping a Beverly Hills policeman in 1989.
The Associated Press contributed to this report.
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