Comparing Ciprofloxacin vs Metronidazole
| Ciprofloxacin | Metronidazole |
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| Ciprofloxacin | Metronidazole |
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Prescription only
Ciprofloxacin is an effective antibiotic that treats a wide variety of infections; however, it should not be given to children aged less than 18. In adults, it should be reserved for infections that... View more |
Prescription only
Metronidazole is an antibiotic that is particularly effective at treating infections caused by susceptible anaerobic bacteria and parasites. Alcohol and products containing propylene glycol should... View more |
Related suggestions Bacterial Infection
Skin or Soft Tissue Infection
Diverticulitis
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| More about Ciprofloxacin | More about Metronidazole | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Ciprofloxacin has an average rating of 5.0 out of 10 from a total of 928 ratings on Drugs.com. 38% of reviewers reported a positive effect, while 46% reported a negative effect. |
Metronidazole has an average rating of 6.1 out of 10 from a total of 2418 ratings on Drugs.com. 45% of reviewers reported a positive effect, while 28% reported a negative effect. |
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| Drug Class | |||||||||||||||||
| Side Effects | |||||||||||||||||
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See also: ciprofloxacin side effects in more detail. |
See also: metronidazole side effects in more detail. |
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| Generic Availability | |||||||||||||||||
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Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all ciprofloxacin prices |
View all metronidazole prices |
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| Dosage Forms Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Cipro, Cipro Cystitis Pack, Cipro I.V., Cipro XR | Flagyl, Flagyl 375, Flagyl IV, Likmez, Metro, Metro IV | ||||||||||||||||
| 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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4 hours |
20 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. |
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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. |
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| Drug Interactions | |||||||||||||||||
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A total of 675 drugs are known to interact with ciprofloxacin:
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A total of 353 drugs are known to interact with metronidazole:
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| Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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| Disease Interactions | |||||||||||||||||
| First Approval Date | |||||||||||||||||
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October 22, 1987 |
July 18, 1963 |
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| WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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N/A |
N/A |
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| More Information | |||||||||||||||||
| Patient resources | |||||||||||||||||
| Professional Resources | |||||||||||||||||
| Related Treatment Guide | |||||||||||||||||
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** 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.