You searched for arx-naltrexone Did you mean? Naltrexone Arx-letrozole Arx-methotrexate Methylnaltrexone Arx-abiraterone Arx-colchicine Arx-pioglitazone Arx Ganirelix Arx-ticagrelor Arx-pirfenidone 1 results NALTREXONEBody system: Nervous System Oral naltrexone hydrochloride 50 mg tablet, 30