Osmolex ER Alternatives Compared
| Osmolex ER | Benztropine | Trihexyphenidyl |
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| Osmolex ER (amantadine) | Benztropine | Trihexyphenidyl |
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Prescription only
Prescribed for Extrapyramidal Reaction, Parkinson's Disease. Osmolex ER may also be used for purposes not listed in this medication guide. |
Prescription only
Benztropine may be used to treat symptoms of Parkinson's disease or alleviate side effects that affect movement caused by antipsychotics. However, it may cause unwanted effects such as blurred... View more |
Prescription only
Prescribed for Parkinson's Disease, Extrapyramidal Reaction, Cerebral Spasticity. Trihexyphenidyl may also be used for purposes not listed in this medication guide. |
Related suggestions Parkinson's Disease
Extrapyramidal Reaction
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| More about Osmolex ER (amantadine) | More about Benztropine | More about Trihexyphenidyl | ||||||||||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||||||||||
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Be the first to share your experience with this drug. |
Benztropine has an average rating of 6.6 out of 10 from a total of 36 ratings on Drugs.com. 56% of reviewers reported a positive effect, while 32% reported a negative effect. |
Trihexyphenidyl has an average rating of 6.6 out of 10 from a total of 24 ratings on Drugs.com. 50% of reviewers reported a positive effect, while 27% reported a negative effect. |
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| Side Effects | ||||||||||||||||||||||||||
| Generic Availability | ||||||||||||||||||||||||||
| Lower cost generic approved |
Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | ||||||||||||||||||||||||||
View all Osmolex ER prices |
View all Benztropine prices |
View all Trihexyphenidyl prices |
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| Dosage Forms Available | ||||||||||||||||||||||||||
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| Brand Names | ||||||||||||||||||||||||||
| Other amantadine brands include: Gocovri |
N/A |
Trihexy | ||||||||||||||||||||||||
| 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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19 hours |
N/A |
4.1 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. |
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 N
Not classified
See the full pregnancy warnings document. |
Category N
Not classified
See the full pregnancy warnings document. |
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| Drug Interactions | ||||||||||||||||||||||||||
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A total of 127 drugs are known to interact with Osmolex ER:
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A total of 345 drugs are known to interact with Benztropine:
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A total of 336 drugs are known to interact with Trihexyphenidyl:
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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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February 16, 2018 |
March 05, 1954 |
May 13, 1949 |
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| WADA Class View World Anti-Doping Agency classifications. | ||||||||||||||||||||||||||
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N/A |
N/A |
N/A |
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| More Information | ||||||||||||||||||||||||||
| Patient resources | ||||||||||||||||||||||||||
| Professional Resources | ||||||||||||||||||||||||||
| Related Treatment Guide | ||||||||||||||||||||||||||
** 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.