ATIVAN vs CLONAZEPAM

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 16, 2026·How we rate

Possible drug interaction. ATIVAN and CLONAZEPAM are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	ATIVAN	CLONAZEPAM
Rating	68/100	New
Pharmacy pays	~$1.14 /30	~$0.83 /30
Type	RX	RX
Active ingredient	LORAZEPAM	CLONAZEPAM
Manufacturer	Hikma	Rubicon Research
Dosage forms	Injectable, Tablet	Tablet, Tablet, orally disintegrating
Drug class	Benzodiazepine	Benzodiazepine
Boxed warning	Boxed warning	Boxed warning
Half-life	about 12 hours (mean)	about 30 to 40 hours
Treats	Anxiety Disorders, Catatonia, Depressive Disorder	Bipolar Disorder, Dysarthria, Myoclonic Epilepsies

ativan clonazepam

Rating

68/100

New

Pharmacy pays

~$1.14 /30

~$0.83 /30

Type

Active ingredient

LORAZEPAM

CLONAZEPAM

Manufacturer

Hikma

Rubicon Research

Dosage forms

Injectable, Tablet

Tablet, Tablet, orally disintegrating

Drug class

Benzodiazepine

Boxed warning

Half-life

about 12 hours (mean)

about 30 to 40 hours

Treats

Anxiety Disorders, Catatonia, Depressive Disorder

Bipolar Disorder, Dysarthria, Myoclonic Epilepsies

Frequently asked questions

Which is cheaper, Ativan or Clonazepam?

Clonazepam costs pharmacies less to acquire — about $0.83 vs $1.14 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Ativan and Clonazepam?

Ativan contains Lorazepam, while Clonazepam contains Clonazepam — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.