TABLE 2—

Medication Returns by Number of units and Percentage Waste for Each Controlled Substance Category: Drug Enforcement Administration Medication Take-Back Events, Maine, 2011–2013

Controlled Substance Classificationa	Original Unitsb	Returned Unitsc	Waste,d %
Schedule III APAP and hydrocodone	14 380	10 679	74.3
Schedule II opioid (oxycodone)	12 057	8379	69.5
Schedule IV benzodiazepam	9776	7824	80
Schedule V opioid (codeine)	4310	2826	65.6
Schedule II opioid (morphine)	3623	2742	75.7
Schedule V othere	3059	2520	82.4
Schedule II APAP and oxycodone	2766	2317	83.8
Schedule III APAP and codeine	3277	2285	69.7
Schedule II stimulant (methamphetamine)	3007	2196	73
Schedule IV APAP and propoxyphene	2637	2174	82.4
Schedule IV sedative/hypnotic	1623	1523	93.8
Schedule II opioid (hydromorphone)	1721	1188	69
Schedule III otherf	1789	1118	62.5
Schedule IV otherg	1319	944	71.6
Schedule II stimulant (amphetamine)	833	667	80.1
Schedule II opioid (methadone)	522	419	80.3
Schedule II opioid (fentanyl)	414	328	79.2
Schedule III cannabinoid	490	205	41.8
Schedule III opioid	155	117	75.2
Schedule II opioid (meperidine)	120	61	50.8
Schedule II opioid (codeine)	130	37	28.5
Schedule II barbiturate	3	3	100
Total controlled substance units	68 011	50 549	74.3

Note. APAP = acetaminophen.

^aBased on Controlled Substance Act of 1974.¹⁷

^bCapsules, tablets, milliliters, patches, or grams, obtained from returned-bottle label.

^cDetermined by manual counting.

^dCalculated by units returned divided by original units dispensed. Percentage waste ±16.2% because of some missing original units.

^eLyrica, Potiga, Vimpat, promethazine and codeine, Lomotil/Lonox.

^fAspirin, codeine and butalbital, androgens, antihistamin/decongestant without phenylpropanolamine, ibuprofen and hydrocodone.

^gABHR suppositories, armodafinil, butorphanol, carisoprodol, codeine and guaifenesin, Modafinil, phenobarbital.