PTCE Top 200 · #100

Lorazepam

Ativan

Lorazepam is the generic name for the brand-name drug Ativan. It is a benzodiazepine used to treat anxiety, status epilepticus. On the PTCE Top 200 drug list, Lorazepam ranks #100 and is one of the most frequently tested cns/psych medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.

Generic nameLorazepam
Brand name(s)Ativan
Drug classBenzodiazepine
Class groupCNS/Psych
Common useanxiety, status epilepticus
DEA scheduleC-IV
AvailabilityPrescription only (Rx)

What is Lorazepam used for?

Benzodiazepine used for short‑term relief of anxiety symptoms; also used for pre‑procedure sedation and status epilepticus (injectable forms).

What drug class is Lorazepam?

Lorazepam is a Benzodiazepine in the CNS/Psych group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.

Common side effects of Lorazepam

Major interactions

Is Lorazepam a controlled substance?

Yes. Lorazepam is a C-IV controlled substance under federal law.

warning Boxed warning

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS — profound sedation, respiratory depression, coma, and death; reserve combined use for patients with inadequate alternatives.

How to remember Lorazepam (PTCE mnemonic)

ATIvan = 'AT-EASE' — LORA-ZEPAM is intermediate C-IV benzo. Safer in liver dz (no CYP); status epilepticus, alcohol withdrawal; flumazenil reverses.
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PTCE exam tip

Lorazepam (Ativan) is a Schedule IV benzodiazepine (-zepam). Note the high-alert LASA cluster: lorazepam, alprazolam, and clonazepam.

Lorazepam FAQ

What is the brand name for Lorazepam?

The brand name for Lorazepam is Ativan.

What is Lorazepam used for?

Lorazepam is used to treat anxiety, status epilepticus. Benzodiazepine used for short‑term relief of anxiety symptoms; also used for pre‑procedure sedation and status epilepticus (injectable forms).

What drug class is Lorazepam?

Lorazepam is a Benzodiazepine (CNS/Psych group).

Is Lorazepam a controlled substance?

Yes. Lorazepam is a C-IV controlled substance under federal law.

Related drugs in the CNS/Psych group

Drill Lorazepam the way the PTCE asks it

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Last reviewed June 25, 2026. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).