Comparing Azithromycin vs Erythromycin
| Azithromycin | Erythromycin |
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| Azithromycin | Erythromycin |
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Prescription only
Azithromycin is an antibiotic used to treat a variety of different infections. It has the distinct advantage of once-daily dosing; however, diarrhea is a common side effect. Prescribed for Bacterial... View more |
Prescription only
Prescribed for Bowel Preparation, Bronchitis, Bacterial Endocarditis Prevention, Bartonellosis, Bullous Pemphigoid, Campylobacter Gastroenteritis, Chancroid, Chlamydia Infection, Dental Abscess... View more |
Related suggestions Chlamydia Infection
Skin or Soft Tissue Infection
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| More about Azithromycin | More about Erythromycin | ||||||||||||||||
| Ratings & Reviews | |||||||||||||||||
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Azithromycin has an average rating of 6.9 out of 10 from a total of 1299 ratings on Drugs.com. 57% of reviewers reported a positive effect, while 21% reported a negative effect. |
Erythromycin has an average rating of 6.2 out of 10 from a total of 67 ratings on Drugs.com. 43% of reviewers reported a positive effect, while 32% reported a negative effect. |
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| Drug Class | |||||||||||||||||
| Side Effects | |||||||||||||||||
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See also: azithromycin side effects in more detail. |
See also: erythromycin 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 azithromycin prices |
View all erythromycin prices |
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| Dosage Forms Available | |||||||||||||||||
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| Brand Names | |||||||||||||||||
| Azithromycin Dose Pack, Z-Pak, Zithromax | 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 | ||||||||||||||||
| 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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53 hours |
2 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 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 | |||||||||||||||||
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A total of 355 drugs are known to interact with azithromycin:
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A total of 649 drugs are known to interact with erythromycin:
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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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November 01, 1991 |
June 24, 1964 |
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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.