How Long Does It Take for Ativan to Work? A Detailed Guide Ativan, known generically as lorazepam, is a medication frequently prescribed for managing anxiety, insomnia, seizures, and muscle spasms. This drug belongs to the class of medication known as benzodiazepine that enhances the effects of a neurotransmitter called GABA (gamma-aminobutyric acid) in the brain. […]