Comparing Metronidazole vs Zithromax
Metronidazole | Zithromax |
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Metronidazole | Zithromax (azithromycin) |
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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 |
Prescription only
Zithromax is an antibiotic used to treat a variety of different infections and it appears to have better tissue penetration and tolerability than similar antibiotics, such as erythromycin. Zithromax... View more |
Related suggestions Bacterial Infection
Skin or Soft Tissue Infection
Skin and Structure Infection
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More about Metronidazole | More about Zithromax (azithromycin) | ||||||||||||||||
Generic Status | |||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Metronidazole has an average rating of 6.1 out of 10 from a total of 2420 ratings on Drugs.com. 45% of reviewers reported a positive effect, while 28% reported a negative effect. |
Zithromax has an average rating of 7.1 out of 10 from a total of 132 ratings on Drugs.com. 62% of reviewers reported a positive effect, while 23% reported a negative effect. |
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Drug Class | |||||||||||||||||
Side Effects | |||||||||||||||||
See also: metronidazole side effects in more detail. |
See also: Zithromax side effects in more detail. |
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Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all metronidazole prices |
View all Zithromax prices and generic prices |
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Dosage Form(s) Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
Flagyl, Flagyl 375, Flagyl IV, Likmez, Metro, Metro IV | Other azithromycin brands include: Azithromycin Dose Pack, Z-Pak | ||||||||||||||||
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. | |||||||||||||||||
20 hours |
53 hours |
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CSA Schedule ** View glossary of terms | |||||||||||||||||
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 | |||||||||||||||||
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 | |||||||||||||||||
A total of 349 drugs are known to interact with metronidazole:
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A total of 348 drugs are known to interact with Zithromax:
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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 | |||||||||||||||||
July 18, 1963 |
November 01, 1991 |
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WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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.