Comparing Avonex vs Betaseron
| Avonex (interferon beta-1a) | Betaseron (interferon beta-1b) |
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| Avonex (interferon beta-1a) | Betaseron (interferon beta-1b) |
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Prescription only
Avonex is a type of interferon beta-1a that may be used to treat adults with multiple sclerosis (MS). It is administered intramuscularly once weekly into the upper thigh. Headache, flu-like... View more |
Prescription only
Prescribed for Multiple Sclerosis, Chronic Inflammatory Demyelinating Polyradiculoneuropathy, Colorectal Cancer. Betaseron may also be used for purposes not listed in this medication guide. |
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| More about Avonex (interferon beta-1a) | More about Betaseron (interferon beta-1b) | ||||||||
| Ratings & Reviews | |||||||||
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Avonex has an average rating of 7.3 out of 10 from a total of 46 ratings on Drugs.com. 70% of reviewers reported a positive effect, while 22% reported a negative effect. |
Betaseron has an average rating of 7.1 out of 10 from a total of 9 ratings on Drugs.com. 56% of reviewers reported a positive effect, while 11% 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 Avonex side effects |
View all Betaseron side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
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N/A |
N/A |
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| Pricing and Coupons * Prices are without insurance | |||||||||
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all Betaseron prices |
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| Dosage Forms | |||||||||
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| Brand Names | |||||||||
| Other interferon beta-1a brands include: Avonex Pen, Avonex Prefilled Syringe, Rebif, Rebif Rebidose | Other interferon beta-1b brands include: Extavia | ||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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3 hours |
4.3 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 342 drugs are known to interact with Avonex:
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A total of 341 drugs are known to interact with Betaseron:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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May 17, 1996 |
July 23, 1993 |
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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.