Absinthe
Barbiturates
Benzodiazepines
Flunitrazepam (Rohypnol)
Chloral hydrate
Gamma hydroxybutyrate (GHB)
Baclofen toxicity
Opioids<unk> 
Loperamide toxicity
Toxic alcohols
Ethanol
Ethylene glycol
Isopropyl alcohol
Methanol
Flunitrazepam (Rohypnol)<unk> 
Loperamide toxicity
Ethanol
Ethylene glycol
Isopropyl alcohol
Methanol
Medications
Atropine<unk> 
Antihistamines
Antidepressants
Tricyclic antidepressant (TCA) toxicity
SSRIs
Antipsychotics
Muscle relaxants
Anti-Parkinsonians
Plants
Jimson weed (Devil's trumpet)
Amanita mushroom
Atropine<unk> 
Antihistamines
Antidepressants
Tricyclic antidepressant (TCA) toxicity
SSRIs
Antipsychotics
Muscle relaxants
Anti-Parkinsonians<unk> 
Tricyclic antidepressant (TCA) toxicity
SSRIs
Jimson weed (Devil's trumpet)
Amanita mushroom
Lomotil toxicity
Absinthe
Xylazine toxicity
Barbiturates
Mescaline toxicity
Benzodiazepines
Lysergic acid diethylamide toxicity
Flunitrazepam 