Tell those e.r. geniuses to give him charcoal and naloxone .
告诉急诊室的那些天才们先给他用活性炭和纳洛酮。
New mexico , for example , has a harm-reduction programme that trains participants ( mostly heroin users ) in rescue techniques , and equips them with doses of naloxone , a drug that blocks the effects of an opiate overdose .