Comparing Ativan vs Zofran
| Ativan (lorazepam) | Zofran (ondansetron) |
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| Ativan (lorazepam) | Zofran (ondansetron) |
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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 upon discontinuation. Sedation is a common... View more |
Prescription only
Zofran is used to prevent nausea and vomiting caused by cancer chemotherapy, radiotherapy, or surgery. It is approved for use in adults and children over the age of 4 and is available as tablets... View more |
Related suggestions Nausea/Vomiting
Nausea/Vomiting, Chemotherapy Induced
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| More about Ativan (lorazepam) | More about Zofran (ondansetron) | ||||||||
| Ratings & Reviews | |||||||||
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Ativan has an average rating of 8.0 out of 10 from a total of 479 ratings on Drugs.com. 74% of reviewers reported a positive effect, while 13% reported a negative effect. |
Zofran has an average rating of 8.0 out of 10 from a total of 271 ratings on Drugs.com. 76% of reviewers reported a positive effect, while 15% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||
View all Ativan side effects |
View all Zofran side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||
View all Ativan prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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| Dosage Forms | |||||||||
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| Brand Names | |||||||||
| Other lorazepam brands include: Ativan Injection, Lorazepam Intensol, Loreev XR |
N/A |
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| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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25 hours |
4 hours |
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| CSA Schedule 1 View glossary of CSA 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. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||
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Category D
Positive evidence of risk
See the full pregnancy warnings document. |
Category B
No proven risk in humans
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||
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A total of 406 drugs are known to interact with Ativan:
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A total of 359 drugs are known to interact with Zofran:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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September 30, 1977 |
December 31, 1992 |
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| WADA Class View classifications | |||||||||
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N/A |
N/A |
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| More Information | |||||||||
| Patient Resources | |||||||||
| Professional Resources | |||||||||
| Related Treatment Guide | |||||||||
1 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.