Osmolex ER Alternatives Compared
| Osmolex ER (amantadine) | 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, Cerebral Spasticity, Extrapyramidal Reaction. 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 6.8 out of 10 from a total of 36 ratings on Drugs.com. 58% of reviewers reported a positive effect, while 31% reported a negative effect. |
Trihexyphenidyl has an average rating of 6.5 out of 10 from a total of 24 ratings on Drugs.com. 46% of reviewers reported a positive effect, while 25% 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. | ||||||||||||||||||||||||||
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View all Osmolex ER side effects |
View all Benztropine side effects |
View all Trihexyphenidyl side effects |
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| Drug Class | ||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||
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| Brand Names | ||||||||||||||||||||||||||
| Other amantadine brands include: Gocovri |
N/A |
Trihexy | ||||||||||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||||||||||||||||||||||||||
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19 hours |
N/A |
4.1 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. |
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 131 drugs are known to interact with Osmolex ER:
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A total of 346 drugs are known to interact with Benztropine:
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A total of 337 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 classifications | ||||||||||||||||||||||||||
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N/A |
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.