Comparing Olanzapine vs Risperdal
| Olanzapine | Risperdal |
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| Olanzapine | Risperdal (risperidone) |
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Prescription only
Olanzapine is an oral antipsychotic that may be used to treat schizophrenia or bipolar disorder. Weight gain is common in people who take olanzapine. Prescribed for Schizophrenia, Agitation, Major... View more |
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 |
Related suggestions Schizoaffective Disorder
Asperger Syndrome
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| More about Olanzapine | More about Risperdal (risperidone) | ||||||||||||||||
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| Ratings & Reviews | |||||||||||||||||
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Olanzapine has an average rating of 5.8 out of 10 from a total of 1037 ratings on Drugs.com. 45% of reviewers reported a positive effect, while 34% reported a negative effect. |
Risperdal has an average rating of 6.0 out of 10 from a total of 239 ratings on Drugs.com. 43% of reviewers reported a positive effect, while 29% reported a negative effect. |
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| Drug Class | |||||||||||||||||
| Side Effects | |||||||||||||||||
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Commonly reported side effects include:
See also: olanzapine side effects in more detail. |
Common side effects include:
See also: Risperdal side effects in more detail. |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all olanzapine prices |
View all Risperdal prices and generic prices |
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| Dosage Form(s) Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Zyprexa, Zyprexa Intramuscular, Zyprexa Relprevv, Zyprexa Zydis | Other risperidone brands include: Perseris, Risperdal Consta, Rykindo, Uzedy | ||||||||||||||||
| 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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54 hours |
24 hours |
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| CSA Schedule ** View glossary of 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 646 drugs are known to interact with olanzapine:
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A total of 660 drugs are known to interact with Risperdal:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
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| First Approval Date | |||||||||||||||||
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September 30, 1996 |
December 29, 1993 |
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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 | |||||||||||||||||
| Patient resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| 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.