Zanamivir Alternatives Compared
| Zanamivir | Tamiflu (oseltamivir) | Oseltamivir |
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| Zanamivir | Tamiflu (oseltamivir) | Oseltamivir |
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Prescription only
Prescribed for Influenza, Swine Flu, Influenza Prophylaxis. Zanamivir may also be used for purposes not listed in this medication guide. |
Prescription only
Tamiflu is an antiviral medicine that is used for the treatment or prevention of the flu. When used to treat the flu, it is most effective if started within 48 hours of symptom onset. Prescribed for... View more |
Prescription only
Oseltamivir is an antiviral medicine that is used for the treatment or prevention of the flu. When used to treat the flu, it is most effective if started within 48 hours of symptom onset. Prescribed... View more |
Related suggestions Influenza
Influenza Prophylaxis
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| More about Zanamivir | More about Tamiflu (oseltamivir) | More about Oseltamivir | ||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||
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Zanamivir has an average rating of 8.2 out of 10 from a total of 5 ratings on Drugs.com. 80% of reviewers reported a positive effect, while 20% reported a negative effect. |
Tamiflu has an average rating of 5.9 out of 10 from a total of 564 ratings on Drugs.com. 49% of reviewers reported a positive effect, while 38% reported a negative effect. |
Oseltamivir has an average rating of 5.9 out of 10 from a total of 597 ratings on Drugs.com. 50% of reviewers reported a positive effect, while 38% 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 Zanamivir side effects |
View all Tamiflu side effects |
View all Oseltamivir side effects |
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| Drug Class | ||||||||||||||||||
| Generic Availability | ||||||||||||||||||
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N/A |
Lower cost generic |
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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 Tamiflu prices |
View all Oseltamivir prices |
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| Dosage Forms | ||||||||||||||||||
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N/A |
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| Brand Names | ||||||||||||||||||
| Relenza |
N/A |
Tamiflu | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||||||||||||||||||
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5.1 hours |
10 hours |
10 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 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 3 drugs are known to interact with Zanamivir:
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A total of 9 drugs are known to interact with Tamiflu:
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A total of 9 drugs are known to interact with Oseltamivir:
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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. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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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July 26, 1999 |
October 27, 1999 |
October 27, 1999 |
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| WADA Class View classifications | ||||||||||||||||||
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N/A |
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.