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Table 1 Recreationally used prescription drugs in acute poisoning during 18 months at a primary care emergency outpatient clinic in Oslo, Norway

From: Acute poisoning related to the recreational use of prescription drugs: an observational study from Oslo, Norway

Drug

n

(%)

Benzodiazepines

696

(85.0)

Clonazepam

411

(50.2)

Diazepam

110

(13.4)

Alprazolam

80

(9.8)

Oxazepam

64

(7.8)

Flunitrazepam

23

(2.8)

Nitrazepam

16

(2.0)

Flurazepam

1

(0.1)

Unspecified

73

(8.9)

Methadone

60

(7.3)

Buprenorphine

53

(6.5)

Opioids class Aa

35

(4.3)

Morphine

25

(3.1)

Oxycodone

9

(1.1)

Pethidine

1

(0.1)

Z-drugs

26

(3.2)

Zopiclone

20

(2.4)

Zolpidem

6

(0.7)

Opioids class Bb

22

(2.7)

Codeine

15

(1.8)

Tramadol

7

(0.9)

Ethylmorphine

1

(0.1)

Methylphenidate

11

(1.3)

Pregabalin

6

(0.7)

Quetiapine

6

(0.7)

Others

6

(0.7)

Ketamine

3

(0.4)

Gabapentin

2

(0.2)

Modafinil

1

(0.1)

Total

819

(100)

  1. More than one prescription drug was taken in 174 (21.2%) of cases. Hence, sums of fractions are higher than total
  2. aClass A is the strictest regimen of prescription by Norwegian regulations. It applies to nearly all opioids, methylphenidate, and ketamine
  3. bPrescription of class B drugs is less strictly regulated than class A, but more than ordinary prescription drugs (class C). It applies to benzodiazepines, Z-drugs, some opioids, pregabalin, and modafinil