Romazicon reverses overdose of which substance?

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Romazicon works as a benzodiazepine receptor antagonist, specifically blocking the GABA-A benzodiazepine site. By binding to that site, it displaces benzodiazepines from the receptor and reverses the sedative, hypnotic, and potential respiratory-depressant effects of a benzodiazepine overdose. This makes it the antidote for overdoses of benzodiazepines or other drugs acting at the same receptor site. It does not reverse overdoses from narcotics (opioids), acetaminophen toxicity, or ethanol, since those have different mechanisms and antidotes. While it can rapidly improve consciousness and ventilation in benzodiazepine overdose, it must be used carefully because it can precipitate withdrawal or seizures in dependent individuals and may not be appropriate in mixed overdoses.