Dirty Sexy Money star Samaire Armstrong has entered an "outpatient facility" due to "personal issues" but will continue to work on the show, her rep tells PEOPLE.
"Samaire Armstrong decided to enter an outpatient facility to deal with some personal issues in a therapeutic atmosphere and is doing very well," the rep said in a statement Friday. "She continues to work on her show and will be completing her treatment in a matter of weeks.
The nature of the personal issues wasn't revealed.
Armstrong, 26, also appeared on The O.C. and Entourage.