Clinical a Benzodiazepine blurred vision, dizziness, confusion, drowsiness, anxiety agitation and unresponsiveness or coma BZD overdose in itself is remarkably safe. most patients with benzodiazepine overdose can be managed in the ed and released home after appropriate care. When combined with other sedatives most frequently alcohol), patients with benzodiazepine overdose can present with profoundly depressed levels of consciousness.Clinical ◼ Benzodiazepine ◼ blurred vision, dizziness, confusion, drowsiness, anxiety, agitation, and unresponsiveness or coma. ◼ BZD overdose in itself is remarkably safe. most patients with benzodiazepine overdose can be managed in the ED and released home after appropriate care. ◼ When combined with other sedatives (most frequently alcohol), patients with benzodiazepine overdose can present with profoundly depressed levels of consciousness.