Metronidazole

Metronidazole is effective against anaerobic bacteria and certain parasites. It is commonly used for amoebiasis, giardiasis, and bacterial vaginosis.

Dosage by Body Weight

Pediatric dosing is typically 7.5 mg/kg to 15 mg/kg per dose, three times daily depending on the infection type. Use under strict medical supervision.

  1. Body Weight
    5-10 kg
    Dose
    37.5 mg to 75 mg
    Frequency
    Three times daily
    Tracking Notes
    Course duration varies (usually 5-10 days).
  2. Body Weight
    11-20 kg
    Dose
    82.5 mg to 150 mg
    Frequency
    Three times daily
    Tracking Notes
    Avoid alcohol-containing products during treatment.
  3. Body Weight
    21-30 kg
    Dose
    157 mg to 225 mg
    Frequency
    Three times daily
    Tracking Notes
    May cause a metallic taste in the mouth.

Formulation

TabletSuspensionGelInjection

Purpose

Antibiotic and antiprotozoal used to treat infections of the GI tract, skin, and reproductive system.

Generic Name

Metronidazole

Branded Drug Names

Metronidazole is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

Safety Advice

Alcohol

UNSAFE

Metronidazole: Avoid alcohol during treatment and for at least 48-72 hours after the last dose, as it can cause flushing, vomiting, cramps, or palpitations.

Pregnancy

SAFE IF PRESCRIBED

Metronidazole: Use during pregnancy only when prescribed for a confirmed infection after a benefit-risk assessment.

Breast Feeding

SAFE IF PRESCRIBED

Metronidazole: May be used while breastfeeding when prescribed, but the infant should be monitored for diarrhea, thrush, or poor feeding.

Driving

CAUTION

Metronidazole: May cause dizziness, headache, or visual disturbance in some people. Avoid driving if affected.

Liver

CAUTION

Metronidazole: Use caution in liver disease because this medicine is processed by the liver and may require dose adjustment or monitoring.

Kidney

SAFE IF PRESCRIBED

Metronidazole: Usually can be used with medical guidance, but severe kidney disease or prolonged therapy may require monitoring.

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.