According to an initial report from TMZ, Lovato appeared to have suffered from a heroin overdose -- however, the publication later put out a second report from a source claiming the singer did not OD on the drug. The outlet also reported that she was treated with Narcan -- an emergency treatment for narcotic overdoses -- at her home in Hollywood Hills, California.
The singer's rep later released a statement and an update on her condition, saying, "Demi is awake and with her family, who want to express thanks to everyone for the love, prayers and support. 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."
"Demi has a long history with drug and alcohol abuse. It was never 'just once' for Demi," a source tells ET. "She has a lot of demons. She's been struggling for a long time."
"Slowly people she cared about started to drift away from her, because it was an unhealthy situation to be around," the source continues. "People stopped wanting to work with her, and she pushed away people who actually had her best interest in mind."
"She's just not in a good place," the source adds.
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Demi Lovato's Relapse: Everything We Know (Exclusive)
A second source tells ET that Lovato's friends have been "very worried" about her and says the singer has been "going out to clubs and staying out all night."
"Lately she has had dark circles under her eyes and she's been wiped out," the source says. "At first, people thought she wasn't sleeping or eating right because she often struggled with past issues of an eating disorder, but then they realized things were much worse. She was able to stay clean for a period of time, but lately she has been on a downward spiral. She seemed to be hanging around with the wrong crowd, one that dabbles in a lot of drugs.”
"Her closest friends have reached out to her, but one has been able to get her to listen," the source says. "[Demi] admitted to friends she was doing too much, but she blamed her behavior on her work.
A third source tells ET that Lovato "has been in a dark place recently, but was honest with herself and the people in her life. She's been getting help and working on overcoming her addiction."