Drug reference

lorazepam

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Central Nervous System (Benzodiazepines)

Mechanism of action

Sedative hypnotic with short onset of effects and relatively long half-life; by increasing the action of gamma-aminobutyric acid (GABA), which is a major inhibitory neurotransmitter in the brain, lorazepam may depress all levels of the CNS, including limbic and reticular formation

Common side effects

  • Sedation
  • Dizziness
  • Drowsiness
  • Fatigue
  • Weakness
  • Unsteadiness

Related conditions

Frequently asked questions

What drug class is lorazepam?

lorazepam belongs to: Central Nervous System.

How does lorazepam work?

Sedative hypnotic with short onset of effects and relatively long half-life; by increasing the action of gamma-aminobutyric acid (GABA), which is a major inhibitory neurotransmitter in the brain, lorazepam may depress all levels of the CNS, including limbic and reticular formation

What are the common side effects of lorazepam?

Sedation, Dizziness, Drowsiness, Fatigue, Weakness, Unsteadiness

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