What is the reversal drug commonly used for benzodiazepines?

Flumazenil is the reversal agent specifically designed to counteract the sedative effects of benzodiazepines. It works by competitively inhibiting the action of benzodiazepines at their receptor sites in the central nervous system. This capability makes it a critical tool in emergency situations where a patient may have overdosed on benzodiazepines and requires rapid reversal of sedation or respiratory depression.

The other options listed are either benzodiazepines themselves or medications that do not serve the purpose of reversing benzodiazepine effects. Ativan, for example, is a brand name for lorazepam, a commonly prescribed benzodiazepine used for anxiety and sedation. Diazepam is another well-known benzodiazepine that is often used for similar indications. Romazicon is actually a brand name for flumazenil, reinforcing that flumazenil is indeed the correct drug for reversing benzodiazepine effects, and thus both flumazenil and Romazicon represent the same reversal agent.