Nonmedical Use of Antihistaminergic Anxiolytics and Other Prescription Drugs among Persons with Opioid Dependence

Table 2

Use and non-medical use of prescription drugs ().

Prescription drug	Ever	Ever used non-	Ever used in combination with heroin, methadone, or buprenorphine/
Benzodiazepines	62 (85%)	59 (81%)	59 (81%)
Pregabalin	26 (36%)	15 (21%)	17 (23%)
z-drugs	62 (85%)	44 (60%)	46 (63%)
Promethazine	50 (69%)	9 (12%)	25 (34%)
Hydroxyzine	45 (62%)	9 (12%)	20 (27%)
Alimemazine	52 (71%)	11 (15%)	30 (41%)
Prescription opioids	60 (82%)	49 (67%)	41 (56%)
Prescription stimulants	24 (33%)	14 (19%)	13 (18%)

values for pregabalin and promethazine; for hydroxyzine and alimemazine.
values for z-drugs; for alimemazine; and for promethazine and hydroxyzine.
values for pregabalin; for prescription stimulants; for z-drugs; for prescription opioids; for alimemazine; and for promethazine and hydroxyzine.