The Daily Mail reports that Osmond began losing her voice while she was performing at a Las Vegas variety show.
According to People, the singer’s voice began to sound hoarse and strained during the show.
Osmond, 52, was diagnosed with a bad case of bronchitis and was released after two hours at the hospital.
“So the allergies went into a bronchitis,” she Tweeted Thursday. “Didn’t realize it until I went to hit the high notes last night on stage. Pie Jesu was kinda P-U.”
According to the Las Vegas Sun, Osmond was set to perform again on Thursday evening and no dates for her and her brother’s show have been canceled.