| Sedatives | Barbiturates Etomidate Chlordiazepoxide Benzodiazepines (diazepam, lorazepam, midazolam) Glutethimide  | 
| Analgesics | Pentazocine Antipyrine Aminopyridine  | 
| Anticonvulsants | Phenytoin Methsuximide  | 
| Antibiotics | Sulfonamides Chloramphenicol  | 
| Hypoglycemic sulfonylureas | Tolbutamide Chlorpropamide  | 
| Toxins | Lead Ethanol  | 
| Miscellaneous | Ropivacaine Ergot preparations Amphetamines Methyldopa  |