Janice Dickinson Rushed From I'm a Celebrity Set by Ambulance

Janice Dickinson was rushed away from the Costa Rican set of I'm a Celebrity...Get Me Out of Here! with a medical emergency, a production source tells Usmagazine.com.

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"She is not in the hospital," the source says. "It's fair to say she was taken by ambulance this weekend from camp to an on-site medical facility for treatment for an undisclosed condition."

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The former model has complained of hunger and bronchitis on the NBC show. Details will be revealed on tonight's episode. "Her fate is decided tonight," another source tells Us. "Either she quits, or she might be too sick to go on, or she's taken off -- or she may go back to camp."

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Dickinson isn't the first cast member to require medical treatment. Heidi Pratt was hospitalized and treated for a gastric ulcer before leaving the show.