Loperamide-induced cardiogenic syncope: a case report of a life-threatening presentation of an over-the-counter drug.

Acute loperamide toxicity can present as biventricular failure, with difficult-to-control arrhythmias. It requires a high index of suspicion. Treatment for loperamide toxicity is mainly supportive, lipid emulsion therapy can be considered in severe or refractory cases.