Fentanyl, a powerful synthetic drug used for pain relief and anesthesia, has raised alarms in Costa Rica. It is about 100 times stronger than morphine and 50 times stronger than heroin, according to the U.S. Food and Drug Administration. Typically, fentanyl is prescribed to cancer patients or used during surgical procedures. Recent detections in Costa […] The post Fentanyl Alarms Costa Rica as Low-Dose Cases Emerge appeared first on The Tico Times | Costa Rica News | Travel | Real Estate.