• Acetaminophen
• Acids
• Alkalis
• Ammonia and ammonium hydroxide
• Amphetamines and amphetamine-like agents
• Antidepressants: selective serotonin reuptake inhibitors (SSRI)
• Antidepressants: cyclic
• Antihistamines: sedating (major classes)
• Arsenic and arsenic salts
• Aspirin salicylates
• Atropine and anticholinergic agents

• Barbiturates
• Benzene Xylene Toluene
• Benzodiazepines
• Boric acid and borate salts
• Botulinum toxin

• Cadmium salts or fumes
• Calcium channel blockers
• Camphor
• Carbon monoxide
• Carbon tetrachloride
• Chlorate salts
• Chlorinated compounds
• Chlorinated hydrocarbon pesticides
• Cocaine
• Copper salts
• Cyanide

• Digoxin and digitalis
• Dinitrophenol and pentachlorophenol

• Ergotamines or ergot alkaloids
• Ethanol
• Ethylene glycol

• Fluoride salts

• Hydrogen sulfide gas

• Ipecac syrup or fluid extract
• Iron salts
• Isopropanol Isopropyl alcohol Rubbing alcohol

• Lead and lead salts
• Lithium
• Mercuric salts
• Methanol
• Mushrooms containing cyclopeptides
• Mushrooms containing muscarine

• Naphthalene
• Nicotine
• Nitroglycerines, nitrates, nitrites
• Nonsteroidal anti-inflammatory agents

• Opioids and Opiates
• Oxalic acid and oxalate salts

• Parathion and other organophosphates
• Phenol
• Phenothiazines and neuroleptics
• Phosphorus and phosphides

• Salicylates
• Strychnine

• Thallium salts
• Theophylline xanthine derivatives

• Xanthine derivatives
• Warfarin and related anticoagulant compounds

AV = atrioventricular; BAL = British anti-lewisite; CNS = central nervous system; ECG = electrocardiogram; EDTA = ethylenediamenetetra-acetic acid; GI = gastrointestinal; NMS = neuroleptic malignant syndrome; PT = prothrombin time; SA = sinoatrial.