Elijah, 49 – Cher's son with late rock musician Gregg Allman – is in a psychiatric hospital after being arrested in February.
Cher filed a petition earlier this week in Los Angeles Superior Court to appoint a temporary conservator for her "gravely disabled" son.
According to court documents obtained by PEOPLE, Cher – who previously filed for a temporary conservatorship over her son's estate in December 2023 – claims Allman's life "has significantly deteriorated" since the last conservatorship petition.
The documents further claim Allman is: "currently in custody in the State of New Hampshire in a locked psychiatric hospital in an attempt to restore him to competency to face criminal charges in two cases across two New Hampshire counties for felony burglary criminal mischief, simple assault, criminal trespass and breach of bail, but that is just the current set of problems".
Allman is facing the charges after allegedly causing a disturbance at an elite prep school in New Hampshire.
Police were called to St. Paul's School in Concord in February amid reports of an unwanted guest.
A spokesperson for the Concord Police Department told TMZ the school reported an unwanted guest, who was allegedly "causing a disturbance and acting belligerently".
Allman is not believed to have any connection to the school.
Cher also alleges Allman "has no concept of money" and "is unable to manage his financial resources and is unable to withstand fraud or undue influence" due to his "severe mental health and addiction issues".
She went on to claim in court documents that Allman "spends any money he gets immediately," nearly always on "drugs, expensive hotels and limousine transportation".
The filing states: "Elijah has no ability to manage money, and any dollar he receives from his father's trust (his only source of income) is immediately squandered without regard for his liabilities or well-being".
Allman is believed to receive an annual $120,000 payment via Cher's ex-husband Gregg Allman's trust.
The court filing claims that after he "receives his trust distribution" and subsequently "checks into a hotel, usually the Chateau Marmont, buys and does drugs until he runs out of money, ends up in the hospital or overdoses.
"Based on this pattern, if Elijah were to receive his trust distribution, he will use it buy drugs."
She went on to allege he has been "been thrown out of a total of 18 hotels because he has made guests feel uncomfortable [by] screaming obscenities and acting erratically".
Allman also once allegedly "was found in the middle of traffic passed out in his car. Emergency services responded and transported him to the hospital, where he was administered Narcan".
Elijah previously revealed that he started using drugs when he was just 11 years old and came close to overdosing several times.
In 2014, he told Entertainment Tonight: "I did have some close calls and some moments of really feeling at the edge of mortality ... I always kind of kept it a little bit safe but you never can do that."
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