Comparing Clarithromycin vs Metronidazole
| Clarithromycin | Metronidazole |
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| Clarithromycin | Metronidazole |
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Prescription only
Prescribed for Dental Abscess, Bronchitis, Bacterial Endocarditis Prevention, Helicobacter Pylori Infection, Legionella Pneumonia, Mycobacterium avium-intracellulare - Prophylaxis, Mycobacterium... 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 Helicobacter Pylori Infection
Skin or Soft Tissue Infection
Dental Abscess
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| More about Clarithromycin | More about Metronidazole | ||||||||||||||||
| Generic Status | |||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Clarithromycin has an average rating of 5.4 out of 10 from a total of 831 ratings on Drugs.com. 36% of reviewers reported a positive effect, while 36% reported a negative effect. |
Metronidazole has an average rating of 6.1 out of 10 from a total of 2410 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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Commonly reported side effects include:
See also: clarithromycin side effects in more detail. |
See also: metronidazole side effects in more detail. |
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| Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all clarithromycin prices |
View all metronidazole prices |
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| Dosage Form(s) Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Biaxin XL | 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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7 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 667 drugs are known to interact with clarithromycin:
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A total of 339 drugs are known to interact with metronidazole:
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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 | |||||||||||||||||
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October 31, 1991 |
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.