Comparing Loperamide vs Metronidazole
Loperamide | Metronidazole |
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Loperamide | Metronidazole |
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Prescription and OTC
Loperamide effectively treats diarrhea in adults and children over the age of 2 years by slowing down the movement of the bowel. Children are especially sensitive to its effects, especially if they... 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 |
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More about Loperamide | More about Metronidazole | ||||||||||||||||
Ratings & Reviews | |||||||||||||||||
Loperamide has an average rating of 8.3 out of 10 from a total of 86 ratings on Drugs.com. 76% of reviewers reported a positive effect, while 10% reported a negative effect. |
Metronidazole has an average rating of 6.1 out of 10 from a total of 2420 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: loperamide side effects in more detail. |
See also: metronidazole side effects in more detail. |
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Generic Availability | |||||||||||||||||
Lower cost generic |
Lower cost generic |
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Pricing and Coupons * Prices are without insurance | |||||||||||||||||
View all loperamide prices |
View all metronidazole prices |
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Dosage Forms Available | |||||||||||||||||
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Brand Names | |||||||||||||||||
A-D Anti-Diarrheal, Anti-Diarrheal, Diamode, Diar-Aid, Imodium, Imodium A-D, Kaopectate II, Neo-Diaral, Up and Up Anti-Diarrheal Solution View more | 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. | |||||||||||||||||
10.8 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. |
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Pregnancy Category | |||||||||||||||||
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 | |||||||||||||||||
A total of 346 drugs are known to interact with loperamide:
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A total of 353 drugs are known to interact with metronidazole:
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Alcohol/Food/Lifestyle Interactions | |||||||||||||||||
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Disease Interactions | |||||||||||||||||
First Approval Date | |||||||||||||||||
N/A |
July 18, 1963 |
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WADA Class View World Anti-Doping Agency classifications. | |||||||||||||||||
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.