"Demi is awake and with her family who want to express thanks to everyone for the love, prayers and support", Lovato's representative said in a statement. "Some of the information being reported is incorrect and they respectfully ask for privacy and not speculation as her health and recovery is the most important thing right now".
Lovato, 25, a Grammy-nominated recording artist, was "okay and stable, reported People magazine, quoting an unidentified source". The 25-year-old singer was hospitalised on Tuesday afternoon after what is reported to be a case of drug overdose, stated news agency AFP. A later update by TMZ said Lovato was treated with Narcan, a medication used for opioid overdoses.
The organization reports Demi was taken from a home in the Hollywood Hills about noon Tuesday.
Updated at 8:50 p.m. Tuesday: Revised to reflect singer's condition.
"Sober" does not reveal the nature of Lovato's relapse, but she sings, "I'm sorry for the fans I lost who watched me fall again. Our thoughts go out to Demi and her family". "He was not aware that her issues were this severe and intense at this time", the source said.
Lovato was scheduled to perform in Atlantic City on Thursday and in Toronto on Sunday. Variety now says that show has been cancelled and a new headliner will be announced soon.
Lovato said she also wanted to help others. "My fans are part of the reason why I'm sober, they hold me accountable".More news: Longest total lunar eclipse of 21st century coming Friday
The candid ballad was Lovato's way of sharing her struggle with the world. "Addiction and mental illness doesn't discriminate".
There was an immediate outpouring of support from the Hollywood community, including pals Ellen DeGeneres, Lily Allen, Lili Reinhart and Adam Lambert, all of whom have been sharing sweet messages for Lovato on social media.
The award-winning actor-turned-singer has received treatment for bipolar disorder, bulimia, and substance abuse in the past.
In an interview with BillBoard, he said: "We could go the manufactured pop machine [route] and try to present this ideal image all the time".
Demi rose to fame as a Disney star, first appearing in children's television series Barney and Friends as a child.