Brand Name
Metrogyl
Generic Name
Metronidazole 600 mg
Main Category
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Antiprotozoal & Antianaerobic Agent
(Nitroimidazole derivative – not a typical antibiotic)
Uses / Indications
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Protozoal Infections
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Intestinal & hepatic amoebiasis
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Giardiasis
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Trichomoniasis
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Anaerobic Bacterial Infections
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Intra-abdominal infections (peritonitis, abscess)
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Pelvic infections (endometritis, tubo-ovarian abscess, vaginal vault sepsis)
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Dental/orodental infections (gingivitis, abscess, periodontitis)
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Septicemia caused by anaerobes
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Skin, soft tissue, bone & joint anaerobic infections
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Other Indications
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Bacterial vaginosis
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Surgical prophylaxis (colorectal, gynecological, abdominal surgery)
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H. pylori eradication (in combination therapy)
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Dosage (General Guidance)
(Strictly as directed by physician)
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Adults: 600–800 mg every 8–12 hrs depending on severity
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Amoebiasis: 800 mg TDS for 5–10 days
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Trichomoniasis: 2 g single dose or divided doses
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Children: 20–30 mg/kg/day in divided doses
Route: Oral
Advice: Take after meals to minimize gastric upset
Side Effects
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Nausea, vomiting, abdominal discomfort
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Metallic/bitter taste
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Headache, dizziness
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Dry mouth, dark-colored urine (harmless)
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Rare: Peripheral neuropathy, seizures, allergic reactions, leukopenia
Precautions / Warnings
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Alcohol: Avoid during treatment & 48 hrs after → severe disulfiram-like reaction
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Pregnancy: Avoid in 1st trimester unless essential
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Breastfeeding: Passes into milk – consult doctor before use
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Liver/Kidney Impairment: Dose adjustment may be required
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Neurological Disorders: Caution in patients with seizures/neuropathy
Drug Interactions
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Alcohol (dangerous reaction)
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Warfarin (↑ bleeding risk)
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Disulfiram (psychotic reactions)
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Lithium (↑ toxicity)
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Phenytoin/Phenobarbital (↓ metronidazole levels)
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Cimetidine (↑ plasma concentration)
Packaging
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Blister strip of 10 tablets
Manufacturer
J.B. Chemicals & Pharmaceuticals Ltd.
Neelam Centre, Hind Cycle Road, Worli, Mumbai, India
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