Erythromycin Alternatives Compared
Erythromycin | Amoxicillin | Metronidazole |
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Erythromycin | Amoxicillin | Metronidazole |
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Prescription only
Prescribed for Bronchitis, Bacterial Endocarditis Prevention, Bowel Preparation, 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. Prescribed for Bacterial Infection, Bacterial... 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
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More about Erythromycin | More about Amoxicillin | More about Metronidazole | ||||||||||||||||||||||||
Generic Status | ||||||||||||||||||||||||||
Ratings & Reviews | ||||||||||||||||||||||||||
Erythromycin has an average rating of 6.0 out of 10 from a total of 65 ratings on Drugs.com. 41% of reviewers reported a positive effect, while 33% reported a negative effect. |
Amoxicillin has an average rating of 6.3 out of 10 from a total of 363 ratings on Drugs.com. 52% of reviewers reported a positive effect, while 32% reported a negative effect. |
Metronidazole has an average rating of 6.1 out of 10 from a total of 2415 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 | ||||||||||||||||||||||||||
See also: erythromycin side effects in more detail. |
See also: amoxicillin 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 erythromycin prices |
View all amoxicillin prices |
View all metronidazole prices |
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Dosage Form(s) Available | ||||||||||||||||||||||||||
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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 The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | ||||||||||||||||||||||||||
2 hours |
1.7 hours |
20 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. |
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 628 drugs are known to interact with erythromycin:
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A total of 38 drugs are known to interact with amoxicillin:
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A total of 342 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 World Anti-Doping Agency classifications. | ||||||||||||||||||||||||||
N/A |
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.