The actress' dad, Michael Lohan, and his wife travelled from their home in Florida to California earlier this month (Jun15) and Major began the treatment programme on Wednesday (03Jun15).

She will remain under doctors' care for at least 30 days, according to

Major, 32, last sought help for her alcohol issues in rehab a year ago (May14), but she reportedly fell off the wagon in April (15), when she was arrested for battery following an allegedly drunken brawl with her husband.

Lohan called police over his wife's behaviour and she was briefly jailed.

The incident was the latest legal woe for the mother of two - last year (14), Major spent four months behind bars following an arrest for driving under the influence (DUI), which violated her probation relating to a 2012 battery conviction.