Flagyl Alternatives Compared
| Flagyl | Amoxicillin | Doxycycline |
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| Flagyl (metronidazole) | Amoxicillin | Doxycycline |
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Prescription only
Flagyl is an antibiotic that is particularly effective at treating infections caused by susceptible anaerobic bacteria and parasites. Avoid alcohol while taking Flagyl and for three days after... 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
Doxycycline is an effective antibiotic that treats a wide range of infections. However, it is not usually recommended for children aged less than eight nor in pregnant women in the last half of... View more |
Related suggestions Bacterial Infection
Skin or Soft Tissue Infection
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| More about Flagyl (metronidazole) | More about Amoxicillin | More about Doxycycline | ||||||||||||||||
| Generic Status | ||||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||
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Flagyl has an average rating of 6.1 out of 10 from a total of 375 ratings on Drugs.com. 47% of reviewers reported a positive effect, while 28% reported a negative effect. |
Amoxicillin has an average rating of 6.3 out of 10 from a total of 347 ratings on Drugs.com. 52% of reviewers reported a positive effect, while 32% reported a negative effect. |
Doxycycline has an average rating of 6.5 out of 10 from a total of 1572 ratings on Drugs.com. 51% of reviewers reported a positive effect, while 26% reported a negative effect. |
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| Side Effects | ||||||||||||||||||
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See also: Flagyl side effects in more detail. |
See also: amoxicillin side effects in more detail. |
See also: doxycycline side effects in more detail. |
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| Pricing and Coupons * Prices are without insurance | ||||||||||||||||||
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all amoxicillin prices |
View all doxycycline prices |
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| Dosage Form(s) Available | ||||||||||||||||||
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| Brand Names | ||||||||||||||||||
| Other metronidazole brands include: Flagyl 375, Flagyl IV, Metro, Metro IV | Amoxil, Apo-Amoxi | Acticlate, Adoxa, Adoxa CK, Adoxa Pak, Adoxa TT, Alodox, Avidoxy, Doryx, Doryx MPC, Doxy 100, Doxy 200, Doxy-Caps, Doxy-D, LymePak, Mondoxyne NL, Monodox, Morgidox, Okebo, Oracea, Oraxyl, Targadox, Uracil, Vibramycin 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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20 hours |
1.7 hours |
23 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. |
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. |
Category D
Positive evidence of risk
See the full pregnancy warnings document. |
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| Drug Interactions | ||||||||||||||||||
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A total of 334 drugs are known to interact with Flagyl:
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A total of 37 drugs are known to interact with amoxicillin:
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A total of 192 drugs are known to interact with doxycycline:
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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. |
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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July 18, 1963 |
January 18, 1974 |
December 05, 1967 |
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| WADA Class View World Anti-Doping Agency classifications. | ||||||||||||||||||
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N/A |
N/A |
N/A |
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| 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.