FLAGYL ER vs METRO I.V.
Independent side-by-side comparison.
Rating
64/100
New
Pharmacy pays
$0.10 /g
$0.10 /g
Type
RX
RX
Active ingredient
METRONIDAZOLE
METRONIDAZOLE
Dosage forms
Tablet, extended release
Injectable
Drug class
Nitroimidazole Antimicrobial
Nitroimidazole Antimicrobial
Boxed warning
None
None
Half-life
about 8 hours
about 8 hours
Treats
Abscess, Amebiasis, Bacteroides Infections
Abscess, Amebiasis, Bacteroides Infections
Frequently asked questions
Which is cheaper, Flagyl ER or Metro I.V.?
Pharmacies pay about the same to acquire either one — roughly $0.10 per gm, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.
What is the difference between Flagyl ER and Metro I.V.?
Both Flagyl ER and Metro I.V. share the active ingredient Metronidazole.
Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.