简介:Opioidpoisoningisanincreasingproblemindevelopedcountries(Figure1).Itisimprtanttodistinguishdrugsobtainedillicitlyfromthoseobtainedbyprescription,becausethequalityandintredientsofthepreparationsvary.Combinationsofopioidswithotherrespiratorydepressants(particularlybezodiazepines)arehazardous.