MCR 104 Pill — WHITE ROUND, 9mm — Metronidazole

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ImprintMCR / 104
ColourWHITE
ShapeROUND
Size9
StrengthMETRONIDAZOLE 250 mg
Dosage formTablet
ManufacturerHeritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
NDC23155-651
Schedule—
AvailabilityPrescription only
IngredientsMETRONIDAZOLE[METRONIDAZOLE]

What does this imprint mean?

The imprint "MCR 104" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.

Active ingredient

Metronidazole

Uses and warnings

BOXED WARNING: "Metronidazole has been shown to be carcinogenic in mice and rats" in long-term studies, and unnecessary use of the drug should be avoided. Contraindicated with known hypersensitivity to metronidazole or other nitroimidazole derivatives, in the first trimester of pregnancy for trichomoniasis, and with concurrent or recent (within 2 weeks) disulfiram use or alcohol/propylene-glycol-containing products due to disulfiram-like reactions. Also contraindicated in patients with Cockayne syndrome due to reports of severe hepatotoxicity/acute liver failure. Other warnings cover CNS effects (seizures, peripheral and optic neuropathy, encephalopathy) and severe cutaneous adverse reactions (SJS, TEN, DRESS).

Metronidazole tablets treat "trichomoniasis" (symptomatic and asymptomatic, including in male partners), "amebiasis" (intestinal disease and liver abscess), and serious infections caused by susceptible anaerobic bacteria involving the intra-abdominal cavity, skin and skin structure, gynecologic tract, central nervous system, lower respiratory tract, bone and joint, and endocarditis. The label stresses it should be used "only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria."

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Official references

Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file e507fc5e-03b8-400f-a657-40ccd9fd208f.xml