Vancomycin Alternatives Compared
| Vancomycin | Dificid (fidaxomicin) | Flagyl (metronidazole) |
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| Vancomycin | Dificid (fidaxomicin) | Flagyl (metronidazole) |
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Prescription only
Vancomycin is an antibiotic that may be used in the treatment of C. difficile-associated diarrhea or enterocolitis when given orally, or other severe infections when given intravenously (IV)... View more |
Prescription only
Prescribed for Clostridioides difficile Infection. Dificid may also be used for purposes not listed in this medication guide. |
Prescription only
Flagyl is an antibiotic that is particularly effective at treating infections caused by susceptible anaerobic bacteria and parasites. Avoid alcohol while taking Flagyl and for three days after... View more |
Related suggestions Clostridioides difficile Infection
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| More about Vancomycin | More about Dificid (fidaxomicin) | More about Flagyl (metronidazole) | ||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||
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Vancomycin has an average rating of 6.5 out of 10 from a total of 57 ratings on Drugs.com. 47% of reviewers reported a positive effect, while 26% reported a negative effect. |
Dificid has an average rating of 7.0 out of 10 from a total of 16 ratings on Drugs.com. 56% of reviewers reported a positive effect, while 19% reported a negative effect. |
Flagyl has an average rating of 6.1 out of 10 from a total of 393 ratings on Drugs.com. 45% of reviewers reported a positive effect, while 29% 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. | ||||||||||||||||||
View all Vancomycin side effects |
View all Dificid side effects |
View all Flagyl side effects |
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| Drug Class | ||||||||||||||||||
| Generic Availability | ||||||||||||||||||
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Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | ||||||||||||||||||
View all Vancomycin prices |
View all Dificid prices |
We could not find an exact match for this medicine. Try searching the Price Guide directly. |
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| Dosage Forms | ||||||||||||||||||
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| Brand Names | ||||||||||||||||||
| Firvanq, Vancocin, Vancocin HCl, Vancocin HCl Pulvules |
N/A |
Other metronidazole brands include: Flagyl 375, Flagyl IV, Likmez, Metro, Metro IV | ||||||||||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | ||||||||||||||||||
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5.2 hours |
16.5 hours |
20 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 B
No proven risk in humans
See the full pregnancy warnings document. |
Category B
No proven risk in humans
See the full pregnancy warnings document. |
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| Drug Interactions | ||||||||||||||||||
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A total of 176 drugs are known to interact with Vancomycin:
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A total of 149 drugs are known to interact with Dificid:
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A total of 378 drugs are known to interact with Flagyl:
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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. |
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| Disease Interactions | ||||||||||||||||||
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No known disease interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| First Approval Date | ||||||||||||||||||
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July 13, 1983 |
May 27, 2011 |
July 18, 1963 |
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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 | ||||||||||||||||||
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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.