

271 Yothapol Khemarak Phoumin Blvd (271), Phnom Penh, Cambodia
METRO-MS 500 500mg
Prescription notice
Item may require a valid prescription. Please consult your doctor or pharmacist before using new medication.
Last updated 28/08/2026 at 5:12 PM

271 Yothapol Khemarak Phoumin Blvd (271), Phnom Penh, Cambodia
Indication
METRO-MS 500 contains metronidazole, a nitroimidazole antibiotic and antiprotozoal agent. It is indicated for treatment of anaerobic bacterial infections, protozoal infections (giardiasis, amoebiasis, trichomoniasis), Helicobacter pylori eradication (in combination), and prevention of post-operative anaerobic infections.
Ingredients
- Metronidazole 500 mg
Direction
Adults: Dosage depends on indication. For bacterial infections: 400–500 mg every 8 hours for 7 days. For trichomoniasis: 2 g as a single dose, or 500 mg twice daily for 7 days. For amoebiasis: 500–750 mg 3 times daily for 5–10 days. Take with or after food to reduce GI upset.
Side effects
- Nausea
- vomiting
- and metallic taste.
- Abdominal cramps and diarrhoea.
- Headache and dizziness.
- Dark/discoloured urine.
- Peripheral neuropathy with prolonged use.
- Allergic reactions (rare).
Precautions
- Avoid alcohol during treatment and for 48 hours after completion (disulfiram
- like reaction).
- Use with caution in patients with hepatic impairment.
- May interact with warfarin (increased anticoagulant effect).
- Use with caution in patients with neurological disorders (peripheral neuropathy risk).
- Not recommended in the first trimester of pregnancy.
- Complete the full course of treatment.
Indication
METRO-MS 500 contains metronidazole, a nitroimidazole antibiotic and antiprotozoal agent. It is indicated for treatment of anaerobic bacterial infections, protozoal infections (giardiasis, amoebiasis, trichomoniasis), Helicobacter pylori eradication (in combination), and prevention of post-operative anaerobic infections.
Ingredients
- Metronidazole 500 mg
Direction
Adults: Dosage depends on indication. For bacterial infections: 400–500 mg every 8 hours for 7 days. For trichomoniasis: 2 g as a single dose, or 500 mg twice daily for 7 days. For amoebiasis: 500–750 mg 3 times daily for 5–10 days. Take with or after food to reduce GI upset.
Side effects
- Nausea
- vomiting
- and metallic taste.
- Abdominal cramps and diarrhoea.
- Headache and dizziness.
- Dark/discoloured urine.
- Peripheral neuropathy with prolonged use.
- Allergic reactions (rare).
Precautions
- Avoid alcohol during treatment and for 48 hours after completion (disulfiram
- like reaction).
- Use with caution in patients with hepatic impairment.
- May interact with warfarin (increased anticoagulant effect).
- Use with caution in patients with neurological disorders (peripheral neuropathy risk).
- Not recommended in the first trimester of pregnancy.
- Complete the full course of treatment.
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