Erythromycin Alternatives Compared
Erythromycin | Amoxicillin | Metronidazole |
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Erythromycin | Amoxicillin | Metronidazole |
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Prescription only
Prescribed for Bronchitis, Bowel Preparation, Bacterial Endocarditis Prevention, Bartonellosis, Bullous Pemphigoid, Campylobacter Gastroenteritis, Chancroid, Chlamydia Infection, Dental Abscess... View more |
Prescription only
Amoxicillin is a penicillin-type antibiotic that may be used to treat infections caused by susceptible bacteria. It is usually well tolerated, but a rash is a common side effect. Prescribed for... 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 Skin or Soft Tissue Infection
Dental Abscess
Skin and Structure Infection
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More about Erythromycin | More about Amoxicillin | More about Metronidazole | ||||||||||||||||||||||||
Ratings & Reviews | ||||||||||||||||||||||||||
Erythromycin has an average rating of 6.1 out of 10 from a total of 67 ratings on Drugs.com. 40% of reviewers reported a positive effect, while 31% reported a negative effect. |
Amoxicillin has an average rating of 6.4 out of 10 from a total of 367 ratings on Drugs.com. 53% of reviewers reported a positive effect, while 29% reported a negative effect. |
Metronidazole has an average rating of 6.0 out of 10 from a total of 2433 ratings on Drugs.com. 44% 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 Erythromycin side effects |
View all Amoxicillin side effects |
View all Metronidazole side effects |
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Drug Class | ||||||||||||||||||||||||||
Generic Availability | ||||||||||||||||||||||||||
Lower cost generic |
Lower cost generic |
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | ||||||||||||||||||||||||||
View all Erythromycin prices |
View all Amoxicillin prices |
View all Metronidazole prices |
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Dosage Forms | ||||||||||||||||||||||||||
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Brand Names | ||||||||||||||||||||||||||
E-Mycin, E.E.S. Granules, E.E.S.-200, E.E.S.-400, E.E.S.-400 Filmtab, Ery-Tab, Eryc, EryPed, Erythrocin, Erythrocin Lactobionate, Erythrocin Stearate Filmtab, Erythrocot, PCE Dispertab, Wyamycin S View more | Amoxil, Apo-Amoxi | Flagyl, 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. | ||||||||||||||||||||||||||
2 hours |
1.7 hours |
20 hours |
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CSA Schedule 1 View glossary of CSA 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. |
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. |
Category B
No proven risk in humans
See the full pregnancy warnings document. |
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Drug Interactions | ||||||||||||||||||||||||||
A total of 685 drugs are known to interact with Erythromycin:
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A total of 64 drugs are known to interact with Amoxicillin:
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A total of 392 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 | ||||||||||||||||||||||||||
June 24, 1964 |
January 18, 1974 |
July 18, 1963 |
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WADA Class View classifications | ||||||||||||||||||||||||||
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.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.