Matthew Perry’s doctors are no longer legally allowed to prescribe medication. Medics Mark Chavez, 54, and Salvador Plasencia, 42, are facing charges over their alleged roles in distributing ketamine to the late ‘Friends’ actor, who died on 28 October 2023, aged 54, from the “acute effects” of the anaesthetic. And now the U.S. Drug Enforcement Administration (DEA) has clarified to E! News that they have given up their right to advise and authorise the use of a medicine or treatment. The US Department of Justice announced last Thursday (15.08.24) that Plasencia is charged with one count of cons…