Metrogyl Syrup Dose 5 Year Old — Pediatric Dose Calculator
Weight-based pediatric dosing for Metronidazole. Also known as Metrogyl syrup. Built for busy OPDs and emergency settings — free, offline after first load.
Typical pediatric dosing
Anaerobic / intra-abdominal: 7.5 mg/kg TDS — max 400 mg/dose — 5–7 days; Giardiasis: 5 mg/kg TDS — max 400 mg/dose — 5–7 days — Some regimens use ~15 mg/kg/day total divided.; Amoebic dysentery: 10–15 mg/kg TDS — max 800 mg/dose — 5–10 days
Syrup strengths: 100 mg/5mL, 200 mg/5mL
For a typical 5-year-old (~18 kg), one dose is about 135 mg — use the calculator for exact syrup mL by strength.
Complete Metronidazole details
- Age range
- 1 month – adult
- Min age
- 1.0 months
- Pregnancy
- Category B — Avoid 1st trimester if non-urgent; commonly used later if needed.
- Clinical notes
- No alcohol. Metallic taste common. Give with food.
- Also known as
- metrogyl, flagyl, metro
Indications & regimens
- Anaerobic / intra-abdominal: 7.5 mg/kg TDS — max 400 mg/dose — 5–7 days
- Giardiasis: 5 mg/kg TDS — max 400 mg/dose — 5–7 days — Some regimens use ~15 mg/kg/day total divided.
- Amoebic dysentery: 10–15 mg/kg TDS — max 800 mg/dose — 5–10 days
Formulations
- Oral syrup / suspension: 100 mg/5mL, 200 mg/5mL
- Tablets: 200 mg, 400 mg
- IV / injectable: 5 mg/mL; Infusion: 20–30 min; 500 mg/100 mL ready
Adult dosing
400 mg; TDS; max single 800 mg; max daily 2400 mg
Contraindications & cautions
See product insert and local protocol for contraindications and cautions.
Medical trust & authorship (EEAT)
Who owns and developed PediaRx? Dr. Shounak Pal, MBBS — Founder, clinical author, and sole developer of PediaRx. The clinical database was authored for the developer’s own practice and peer-tested with clinical colleagues; it is not a third-party “review-only” widget.
Qualifications: Practising physician (MBBS). Profile: https://www.shounakpal.com.
References: BNFc, IAP Drug Formulary, WHO guidance, NNF neonatal schedules (where applicable), and product inserts. Primary jurisdiction: India (IN). Useful globally — always verify against local formularies.
Last drug-record review: 2026-07 (formulary DB v4.0). Live updates sync from db.pediarx.com; corrections are issued via formulary version bumps.
Privacy: No patient identifiers collected. Weight/age stay on-device. Intended for clinicians, not patient self-medication.
How to report an error: [email protected] · Disclaimer · Privacy
Common questions
What is the pediatric dose of Metronidazole?
Anaerobic / intra-abdominal: 7.5 mg/kg TDS — max 400 mg/dose — 5–7 days; Giardiasis: 5 mg/kg TDS — max 400 mg/dose — 5–7 days — Some regimens use ~15 mg/kg/day total divided.; Amoebic dysentery: 10–15 mg/kg TDS — max 800 mg/dose — 5–10 days Always verify against current national guidelines and the product label.
How do I calculate Metronidazole syrup dose for a child?
Enter the child's age and weight in the calculator on this page (right column on desktop; above the article on mobile). PediaRx shows mg per dose, syrup mL by strength, tablet fractions, and IV volume when available — using the live formulary from db.pediarx.com. Brand names include Metrogyl syrup.
Who built and maintains the Metronidazole dosing data in PediaRx?
PediaRx was built and clinically authored by Dr. Shounak Pal, MBBS — a practising physician — for personal clinical use and peer-tested with colleagues. It is not a third-party review of someone else's calculator.
What references support these doses?
Doses are curated from BNFc, IAP Drug Formulary, WHO guidance, and NNF schedules where applicable. India (IN) is the primary formulary region; always confirm against your local protocol and product insert.
Does PediaRx collect patient information?
No. Age, weight, and sex stay on your device. Calculations run locally. Anonymous analytics (page views) may be collected; no clinical inputs are transmitted.
Is PediaRx for clinicians or patients?
PediaRx is a clinical reference for qualified healthcare professionals (GDMOs, paediatricians, medical officers, family physicians). It is not intended as a consumer self-medication tool.
Is PediaRx free?
Yes. Free clinical reference — no ads, no subscriptions, no accounts. Works offline after first load.
What is the pregnancy category for Metronidazole?
Category B. Avoid 1st trimester if non-urgent; commonly used later if needed.
Clinical disclaimer: Reference tool for qualified professionals only. Verify every dose against IAP/NNF/BNFc/product insert before prescribing. Clinical aid only. Verify every dose with IAP/NNF/BNFc/product insert/local protocol before prescribing.
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