Lethal organophosphate (OP) exposure leads to status epilepticus (SE), which, despite standard-of-care (SOC) therapy, is associated with acute mortality and long-term morbidities. Neuronal injury and inflammation are reported following OP-SE, and drugs targeted at these processes have produced beneficial outcomes. Verapamil (VPM) is a calcium-channel blocker used as an antihypertensive drug and has been shown to exhibit neurop...