Which of the following medications is a benzodiazepine?

Klonopin is classified as a benzodiazepine, which is a group of medications primarily used for their sedative, anxiolytic, muscle relaxant, anticonvulsant, and hypnotic properties. Benzodiazepines work by enhancing the effect of the neurotransmitter gamma-aminobutyric acid (GABA) at the GABA-A receptor, leading to a calming effect on the brain and nervous system. Klonopin, in particular, is often prescribed for conditions such as anxiety, panic disorders, and seizure disorders.

In contrast, the other medications listed serve different purposes: Buspar (buspirone) is an anxiolytic that does not belong to the benzodiazepine class and is often used for chronic anxiety; Remeron (mirtazapine) is an antidepressant that works primarily on the noradrenergic and serotonergic systems; and Trintellix (vortioxetine) is a specific serotonin reuptake inhibitor (SSRI) that is also used to treat major depressive disorder, focusing on serotonin modulation. Each of these medications operates through different mechanisms and is used for distinct clinical indications, thus reinforcing why Klonopin stands out as the only benzodiazepine in the list