<unk>  is widely used nonprescription anti-diarrheal medication
Increasing reports of intentional overdose at very high doses either for euphoric effects or to attenuate symptoms of opioid withdrawal
Has a wide margin of safety, largely due to extremely low bioavailability (0.3%)
Loperamide toxicity
Absinthe
Levamisole toxicity
Barbiturates
Lomotil toxicity
Benzodiazepines
Bismuth toxicity
Flunitrazepam 