David Arquette has checked himself into a live-in rehab center, according to TMZ.com.
Arquette, who partied at L.A.'s Roosevelt Hotel on New Year's Eve, is seeking treatment for alcohol, but not drugs, the site reports.
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In October, Arquette, 39, and Courteney Cox, 46, announced their separation after 11 years of marriage. The couple has a 6-year-old daughter.
Courteney Cox on separation from David Arquette: "This is not like we're getting divorced"
Arquette recently told Howard Stern that the pair separated because they were not having sex, but Cox downplayed his comments, calling him a "kook."
Arquette, who is developing a celebrity game show, and Cox, who stars on ABC's Cougar Town, will star in Scream 4, due in theaters on April 15.