Comparing Ativan vs Clonazepam
| Ativan | Clonazepam |
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| Ativan (lorazepam) | Clonazepam |
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Prescription only
Ativan may be used for the treatment of anxiety or as a preoperative medicine. It is potentially addictive and a withdrawal syndrome may be experienced on discontinuation. Sedation is a common side... View more |
Prescription only
Clonazepam may reduce seizure frequency in specific seizure disorders and can be used short-term for panic disorder, to relieve anxiety, or to sedate. When used long-term it can cause dependence and... View more |
Related suggestions Anxiety
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| More about Ativan (lorazepam) | More about Clonazepam | ||||||||||||||||
| Generic Status | |||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Ativan has an average rating of 8.0 out of 10 from a total of 455 ratings on Drugs.com. 75% of reviewers reported a positive effect, while 12% reported a negative effect. |
Clonazepam has an average rating of 8.1 out of 10 from a total of 1992 ratings on Drugs.com. 78% of reviewers reported a positive effect, while 12% reported a negative effect. |
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| Drug Class | |||||||||||||||||
| Side Effects | |||||||||||||||||
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Common side effects include:
See also: Ativan side effects in more detail. |
Commonly reported side effects include:
See also: clonazepam side effects in more detail. |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Ativan prices and generic prices |
View all clonazepam prices |
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| Dosage Form(s) Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Other lorazepam brands include: Ativan Injection, Lorazepam Intensol, Loreev XR | Klonopin | ||||||||||||||||
| Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | |||||||||||||||||
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25 hours |
40 hours |
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| CSA Schedule ** View glossary of terms | |||||||||||||||||
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Some potential for abuse
Has a low potential for abuse relative to those in schedule 3. It has a currently accepted medical use in treatment in the United States. Abuse may lead to limited physical dependence or psychological dependence relative to those in schedule 3. |
Some potential for abuse
Has a low potential for abuse relative to those in schedule 3. It has a currently accepted medical use in treatment in the United States. Abuse may lead to limited physical dependence or psychological dependence relative to those in schedule 3. |
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| Pregnancy Category | |||||||||||||||||
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Category D
Positive evidence of risk
See the full pregnancy warnings document. |
Category D
Positive evidence of risk
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 390 drugs are known to interact with Ativan:
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A total of 492 drugs are known to interact with clonazepam:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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September 30, 1977 |
June 04, 1975 |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
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| Related Treatment Guide | |||||||||||||||||
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** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.