Drug Dictionary

This is a growing list of the many drugs identified by Toronto’s drug checking service, each with a brief description and indication of whether the drug has been classified as noteworthy.

Drug name
Description
2C class drugs
A family of psychedelic drugs with varying potencies
AB-FUBINACA
A synthetic cannabinoid, manufactured to be like the main psychoactive component in cannabis, THC, considered to be ultrapotent
Acetyl fentanyl
An active fentanyl-related drug, considered to be more potent than heroin and less potent than fentanyl
ACHMINACA
A synthetic cannabinoid, manufactured to be like the main psychoactive component in cannabis, THC, considered to be ultrapotent
Alprazolam (Xanax)
A high-potency, short-acting benzodiazepine used to treat anxiety
AMB-FUBINACA
A synthetic cannabinoid, manufactured to be like the main psychoactive component in cannabis, THC, considered to be ultrapotent
Benzocaine
A local anesthetic (numbing medication) used to relieve pain that can reduce the amount of oxygen carried by a person's blood throughout their body
Butyryl fentanyl
An active fentanyl-related drug, considered to be less potent than fentanyl
Carfentanil
An active fentanyl-related drug, considered to be ultrapotent: approximately 100 times stronger than fentanyl, 4,000 times stronger than heroin, and 10,000 times stronger than morphine
Clonazepam
A high-potency, long-acting benzodiazepine used to prevent and control seizures and treat panic attacks
Deschloroetizolam
A benzodiazepine-related drug, structurally similar to etizolam, although half as potent and lasting twice as long
Despropionyl fentanyl (4-ANPP)
An inactive fentanyl-related drug, which is an impurity found in fentanyl preparations
Dextromethorphan
A medication used to relieve cough caused by the common cold or flu
Diazepam (Valium)
A low-potency, long-acting benzodiazepine used to to treat anxiety, alcohol withdrawal, and seizures
Etizolam
A short-acting benzodiazepine-related drug, used in some countries to treat anxiety and insomnia
Etonitazene
A high-potency synthetic opioid, considered to be up to 10 times stronger than fentanyl
Fentanyl
A high-potency synthetic opioid, considered to be up to 40 times stronger than heroin and 100 times stronger than morphine
Flualprazolam
A high-potency, short-acting benzodiazepine-related drug, similar to alprazolam (Xanax)
Flubromazolam
A high-potency, long-acting benzodiazepine-related drug
Flurazepam (Dalmane)
A low-potency, long-acting benzodiazepine used to to treat insomnia
Furanyl UF-17
An opioid-related drug with unknown potency and effects
Furanylethyl fentanyl
An active fentanyl-related drug
Isotonitazene
A high-potency synthetic opioid, considered to be up to 5 times stronger than fentanyl
Levamisole
A medication used to treat worm infections in animals, pulled from the Canadian market in the early 2000s, that has been associated with skin sores and a reduction of infection-fighting white blood cells
Lorazepam (Ativan)
A high-potency, short-acting benzodiazepine used to treat anxiety
Meclonazepam
A benzodiazepine used to treat parasitic worms
Methyl fentanyl
An active fentanyl-related drug, considered to be significantly more potent than fentanyl
Parafluorofentanyl
An active fentanyl-related drug, considered to be similarly potent to fentanyl
Phenacetin
A pain-relieving, fever-reducing medication, pulled from the Canadian market in the 1970s for its association with kidney and bladder cancers
Valeryl fentanyl
An active fentanyl-related drug, considered to be more potent than morphine and much less potent than fentanyl
Xylazine
A tranquilizer typically used by veterinarians on horses, deer, dogs, and cats for sedation, muscle relaxation, and pain relief

Noteworthy drug: “Noteworthy drugs” are drugs that (i) are linked to overdose or other adverse effects, (ii) are highly potent or related to highly potent drugs, or (iii) may not be desired by some clients. Noteworthy drugs are flagged when they are unexpectedly found in checked samples.