Lupus forces singer Toni Braxton into LA hospital

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  Associated Press/Chris Pizzello, File - FILE - In this Feb. 23, 2012 file photo, singer Toni Braxton arrives at The Hollywood Reporter Nominees Night, at Mayor Antonio Villaraigosa's official residence in Los Angeles. Braxton has been hospitalized in Los Angeles for health issues caused by Lupus. (AP Photo/Chris Pizzello, File)

LOS ANGELES (AP) — Singer Toni Braxton has been hospitalized in Los Angeles.

The R&B performer says in a Tweet on Friday that she's been hospitalized because of "minor health issues" related to Lupus. A spokeswoman confirmed the hospitalization but had no other details. "But no worries!," Braxton wrote to fans. "I will be out any day now."

The 45-year-old singer of "Un-break My Heart" revealed two years ago she has Lupus, a potentially deadly autoimmune disease that killed Braxton's uncle. She also suffers from a narrowing of the blood vessels in her heart.

Braxton said in a recent "20/20" interview that doctors told her the Lupus diagnosis meant her performing career would likely be diminished and the disease helped push her into a recent bankruptcy.