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. Author manuscript; available in PMC: 2013 Jul 25.
Published in final edited form as: Am J Addict. 2010 Jan-Feb;19(1):73–88. doi: 10.1111/j.1521-0391.2009.00008.x

TABLE 2.

Other drugs mentioned in combination with methadone or buprenorphine in public datasets*

METHADONE
RADARS PCC-2008 TEXAS PCC-2008 DAWN ED-2007 NCHS DEATHS-2005 RADARS DEATHS
(2003–2008)
TEXAS DEATHS-2007
methadone only (49%)
alcohol (3%)†
methadone only (55%)
other benzodiazepines (12%)
methadone only (38%)
alcohol (3%)
methadone only (31%)
benzodiazepines (4%)
methadone only (33%)
alcohol (7%)†
methadone only (31%)
alprazolam (19%)
amitriptyline alprazolam (7%) alprazolam (2%) benzodiazepines +
other drugs (4%)
amitriptyline (8%)† carisoprodol (6%)
amphetamine carisoprodol (2%) carisoprodol cocaine (13%) atypical antipsychotics
(9%)†
cocaine (14%)
anticonvulsants (2%)† clonazepam (3%) clonazepam other opiates (3%) benzodiazepines (52%)† hydrocodone (15%)
antihistamines cocaine cocaine (2%) cocaine (7%)† other benzodiazepines
(17%)
atypical antipsychotics
(2%)
diazepam (1%) duloxetine hydrocodone (7%)† quetiapine (2%)
beta blockers heroin fluoxetine other anticonvulsant
(7%)†
carisoprodol (2%)† hydrocodone (5%) heroin (3%) other narcotic
(8%)†
cocaine (2%)† marijuana hydrocodone SSRIs (8%)†
cyclobenzaprine MDMA marijuana
heroin morphine (2%) MDMA (ecstasy)
hydrocodone (3%)† olanzapine methamphetamine
marijuana oxycodone morphine
morphine PCP narcotic analgesics
other muscle
relaxants
pregabalin (2%) olanzapine
other antidepressants
(1%)†
promethazine oxycodone (2%)
other narcotics
(3%)†
quetiapine (2%) quetiapine
other sedative/
hypnotics
trazodone unspecified
benzodiazepines
oxycodone (3%)†
SSRIs (1%)† trazodone
zolpidem zolpidem
BUPRENORPHINE
RADARS® PCC-2008 TEXAS PCC-2008 DAWN ED-2007
Buprenorphine + Naloxone
DAWN ED-2007
Buprenorphine Only
buprenorphine only
(59%)
buprenorphine only
(68%)
buprenorphine +
naloxone only (40%)
alcohol
alcohol (2%)† other benzodiazepines
(24%)
alcohol alprazolam
acetaminophen alprazolam (3%) alprazolam citalopram
amphetamines carisoprodol (3%) buproprion clonidine
antianxiolytics/
antipsychotics
diazepam (3%) carisoprodol cocaine
anticonvulsants (2%)† escitalopram clonazepam dextromethorphan +
guaifenesin
antidepressants (1%)† hydrocodone clonidine heroin
antihistamine methadone cocaine hydrocodone
atypical antipsychotics
(2%)†
quetiapine (1%) cyclobenzaprine marijuana
benzodiazepines (7%)† trazadone (3%) fentanyl methadone
carisoprodol heroin (6%) morphine
clonidine hydrocodone olazapine
cocaine (1%)† hydromorphone other benzodiazepines
heroin lithium other narcotics
hydrocodone (2%)† lorazepam oxycodone
marijuana marijuana quetiapine
methadone (3%)† methadone tramadol
methylphenidate modafinil ziprasidone
other muscle r
elaxants
other benzodiazepines
other/unknown narcotics
(63%)†
oxycodone
other prescription
or otc
paroxetine
oxycodone (1%)† quetiapine
SSRIs (1%)† risperidone
tramadol sertaline
trazodone trazadone
zolpidem
*

Includes drug with or without acetaminophen. Drugs are listed using the terminology from each dataset. Those without percentage normally compose less than 1% of the drugs examined except for DAWN, where suppression rules prevented reporting actual percentages.

†

More than two substances may be involved; percentages may not equal 100%.