What class of medication does lorazepam belong to?

Lorazepam is classified as an anti-anxiety medication, specifically belonging to the benzodiazepine family. This class of medications is primarily used to manage anxiety disorders, acute agitation, and to provide sedation before medical procedures. Benzodiazepines, including lorazepam, work by enhancing the effect of the neurotransmitter gamma-aminobutyric acid (GABA) in the brain, which leads to a calming effect on the central nervous system.

Anti-anxiety medications are vital for treating conditions like generalized anxiety disorder and panic attacks, as they help to reduce feelings of anxiety and promote relaxation. Because of their effectiveness in alleviating anxiety symptoms, lorazepam is often prescribed for short-term management.

The other classes of medications mentioned do not serve the same purpose. Antidepressants are used to treat depressive symptoms, cholinesterase inhibitors are typically employed in the treatment of neurodegenerative diseases like Alzheimer's, and non-steroidal anti-inflammatory drugs (NSAIDs) are utilized primarily for pain relief and to reduce inflammation. Each of these classes has distinct mechanisms and indications that do not overlap with the action of lorazepam in the treatment of anxiety disorders.