Comparing Risperdal vs Zyprexa
| Risperdal (risperidone) | Zyprexa (olanzapine) |
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| Risperdal (risperidone) | Zyprexa (olanzapine) |
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Prescription only
Risperdal is an antipsychotic that relieves psychotic symptoms in people with schizophrenia or mania and is also used in the treatment of autistic disorder. Side effects are less likely at lower... View more |
Prescription only
Zyprexa is a brand (trade) name for olanzapine which is an antipsychotic that may be used to treat schizophrenia or bipolar disorder. Weight gain is common in people who take Zyprexa. Prescribed for... View more |
Related suggestions Schizophrenia
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| More about Risperdal (risperidone) | More about Zyprexa (olanzapine) | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Risperdal has an average rating of 6.0 out of 10 from a total of 241 ratings on Drugs.com. 42% of reviewers reported a positive effect, while 29% reported a negative effect. |
Zyprexa has an average rating of 5.9 out of 10 from a total of 419 ratings on Drugs.com. 48% of reviewers reported a positive effect, while 32% 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 Risperdal side effects |
View all Zyprexa side effects |
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| Drug Class | |||||||||||||||||
| Generic Availability | |||||||||||||||||
| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all Risperdal prices |
View all Zyprexa prices |
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| Dosage Forms | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Other risperidone brands include: Perseris, Risperdal Consta, Risvan, Rykindo, Uzedy | Other olanzapine brands include: Zyprexa Intramuscular, Zyprexa Relprevv, Zyprexa Zydis | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||||||||||
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24 hours |
54 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | |||||||||||||||||
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Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||||||||||
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A total of 679 drugs are known to interact with Risperdal:
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A total of 664 drugs are known to interact with Zyprexa:
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| Disease Interactions | |||||||||||||||||
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| First Approval Date | |||||||||||||||||
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December 29, 1993 |
September 30, 1996 |
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| WADA Class View classifications | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
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| 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.