Etta James, 73, Hospitalized for Blood Infection

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"It was a really bad infection," says her son. "Right now she's doing a lot better."

Three-time Grammy winner Etta James has been hospitalized with blood poisoning.

She was hospitalized earlier this week with a urinary tract infection and the blood infection sepsis, her son Sametto James.

"It was a really bad infection," he tells Reuters. "Right now she's doing a lot better."

James, 73, whose 1961 ballad "At Last," proved her a master of the blues, has struggled with obesity in the past.

In 2003, she underwent gastric bypass surgery.

In January, she was diagnosed with dementia and is undergoing treatment for leukemia.

Her health condition was revealed in court documents pertaining to a civil case in Riverside County Superior Court in which her husband of 14 years, Artis Mills, is seeking control of more than $1 million of her money   In the papers, Beverly Hills physician Elaine James (no relation) states that the singer, 72, cannot sign her name and needs help with feeding, dressing and hygiene.   

James has not performed on stage since early 2010.