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Table 1 In addition to alcohol, the following list of potentially impairing drugs and medications are tested and quantified during toxicology analysis of the national drug driving study

From: Epidemiology of drug driving: protocol from a national Canadian study measuring levels of cannabis, alcohol and other substances in injured drivers

Drug Classification

Drugs or Medications

Amphetamine

Amphetamine, MDA, MDMA, Methamphetamine

Analgesic

Tramadol

Anticonvulsant

Carbamazepine, Lamotrigine, Phenytoin, Topiramate, Gabapentin

Antidepressant

Venlafaxine, Hydroxybupropion, Citalopram, Fluoxetine, Mirtazepine, Norsertraline, Paroxetine, Sertraline, Trazodone, Bupropion, Norcitalopram, Nortriptyline, O-Desmethylvenlafaxine

Antiemetic

Metoclopramide

Antihistamine

Cetirizine, Chlorpheniramine, Diphenhydramine

Tripelennamine, Doxylamine

Antipsychotic

Hydroxyrisperidone, Loxapine, Olanzapine, Quetiapine, Risperidone, Zuclopenthixol, Chlorpromazine, Clozapine, Haloperidol, Ziprasidone

Antitussive

Dextromethorphan

Benzodiazepine

Alprazolam, 7-Aminoclonazepam, 7-Aminoflunitrazepam,

7-Aminonitrazepam, Diazepam, Lorazepam, Midazolam, Oxazepam, Temazepam, Chlordiazepoxide, Clonazepam, Flunitrazepam, Nitrazepam, Nordiazepam

Cocaine and metabolites

Cocaine, Benzoylecgonine, Cocaethylene

Muscle relaxant

Cyclobenzaprine, Methocarbamol

Non-benzo hypnotic

Zopiclone, Zolpidem

Opiate

6-Acetylmorphine, Codeine, Hydromorphone, Methadone, Morphine, Oxycodone, EDDP, Fentanyl, Buprenorphine, Hydrocodone, Norfentanyl

Sedative

Ketamine, PCP

Tricyclic antidepressant

Amitriptyline, Doxepin, Trimipramine, Clomipramine, Desipramine, Imipramine

Cannabinoid

THC, COOH-THC

Others

Acetaminophen, Warfarin, Naloxone