<"Treating someone for opiates is relatively easy," said Dr. Paul Trowbridge, the addiction medicine specialist at the Trinity Health Recovery Medicine clinic in Grand Rapids, an hour north of Kalamazoo. That’s largely because of buprenorphine and methadone, federally approved medications with years of evidence attesting to their effectiveness in subduing opioid cravings, and Narcan, an over-the-counter nasal spray that reverses opioid overdoses.>