Description Lorazepam (Lorazepam Tablets) Generic Name: LorazepamDrug Class: BenzodiazepineCommon Strengths: 3 mgPrescription Status: Prescription-only medicineControlled Substance: Yes (Schedule IV in many jurisdictions) Indications Lorazepam is indicated for the short-term management of: Anxiety disorders Acute panic episodes Insomnia associated with anxiety or stress Status epilepticus (intravenous formulation) Preoperative sedation and anxiolysis Mechanism of Action Lorazepam exerts its pharmacological effects by potentiating the activity of Gamma-aminobutyric acid (GABA), the primary inhibitory neurotransmitter in the central nervous system. This enhancement increases neuronal membrane permeability to chloride ions, resulting in: Anxiolytic effects Sedation and hypnosis Skeletal muscle relaxation Anticonvulsant activity Pharmacological Benefits Rapid onset of action for acute symptom relief Effective anxiolytic and sedative properties Useful in procedural sedation Beneficial in short-term management of stress-related insomnia Safety Profile and Precautions Common adverse effects include drowsiness, dizziness, impaired coordination, and anterograde amnesia Prolonged use may result in tolerance, physical dependence, and withdrawal symptoms Abrupt discontinuation should be avoided due to risk of rebound symptoms and seizures Concomitant use with alcohol, opioids, or other central nervous system depressants may result in profound sedation, respiratory depression, coma, or death Use with caution in elderly patients and those with compromised respiratory function or a history of substance use disorder Clinical Considerations Lorazepam is most appropriately prescribed for short-term or intermittent use, with treatment duration generally limited to 2–4 weeks. Long-term management of anxiety disorders should prioritize alternative therapeutic strategies, including non-benzodiazepine pharmacotherapy and psychotherapy.
