A kit with naloxone, also known by its brand name Narcan, is displayed at the South Jersey AIDS Alliance in Atlantic City. Naloxone counters an overdose with heroin or certain prescription painkillers by blocking the receptors these opioids bind to in the brain.
Tina Wolf demonstrates the use of naloxone to community members in Lindenhurst, N.Y., during an overdose prevention training. Georgia Dolan-Reilly (left) of the Suffolk County Prevention Resource Center helped with the training.
Kevin Hagen for NPR
Several states distribute Naloxone hydrochloride, also called Narcan, to treat opium-based drug overdoses. But only one company manufactures the drug, and the price has spiked in recent years.