star Eric Dane
recently entered a rehab clinic in Los Angeles to battle an addiction to painkillers.
"Actor Eric Dane voluntarily checked himself into a treatment facility to help him get off of pain medication that he was prescribed for a sports injury that he suffered over the recent hiatus. He reports back to work this week. Business as usual," his rep says in a statement.
The news comes just a few weeks after PEOPLE confirmed that Dane, 38, and his wife Rebecca Gayheart, 39, are expecting their second child
. Daughter Billie is 16 months old.