| Acetaminophen (when serum concentration >1000 mcg/mL [or 6600 micromol/L]) |
| Aminoglycoside antibiotics |
| Alcohols |
| Ethanol |
| Isopropanol |
| Acetone |
| Methanol |
| Ethylene glycol; diethylene glycol |
| Propylene glycol |
| Atenolol |
| Barbiturates |
| Biguanide (eg, metformin) when associated with lactic acidosis |
| Bromides |
| Caffeine |
| Chloral hydrate (and metabolite trichloroethanol) |
| Dabigatran |
| Disopyramide |
| Ethambutol |
| Gabapentin |
| Heavy metals (possible) |
| Lithium |
| Meprobamate |
| Methotrexate |
| Nadolol |
| Pregabalin |
| Procainamide |
| Salicylates |
| Sotalol |
| Theophylline |
| Valproate (when serum concentration >1300 mg/L [or 9100 micromol/L]) |
