25C-NBOMe‎
Alcohol
Amphetamines
Bath salts
Cocaine
Ecstasy
Gamma hydroxybutyrate (GHB)
Heroin
Inhalant abuse<unk> 
Difluoroethane (electronics duster)
Marijuana
Phencyclidine (PCP)
Psilocybin ("magic mushrooms")
Synthetic cannabinoids
Chloral hydrate
Body packing<unk> 
Difluoroethane (electronics duster)
Carbon monoxide toxicity
Chemical weapons
Cyanide toxicity<unk> 
Hydrogen sulfide toxicity
Inhalant abuse
Methane toxicity
Smoke inhalation injury
Hydrocarbon toxicity
25C-NBOMe‎
Methane toxicity
Alcohol
Salicylate toxicity
Amphetamines
Chromium toxicity
Bath salts