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Clinical Notice:OpiCalc is not a substitute for professional clinical judgment. Always verify dosages and guidelines.

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Recent Journal Updates

British J Clinical PharmacologyJun 26, 2026
Accelerating tacrolimus model‐informed precision dosing in kidney transplant recipients: Model evaluation and refinement strategies

Clinical Context

We think this might be relevant to the clinical guidance for Nitrofurantoin Pediatric Dosing.

JAMAJun 23, 2026
US Drug Overdose Deaths Drop for Third Consecutive Year

Clinical Context

We think this might be relevant to the clinical guidance for Nitrofurantoin Pediatric Dosing.

Clinical Pharmacology TherapeuticsJun 21, 2026
Ketamine Dosing Across Clinical Indications: A Narrative Review Organized by Proposed NMDA‐Related Mechanisms

Clinical Context

We think this might be relevant to the clinical guidance for Nitrofurantoin Pediatric Dosing.

Nitrofurantoin Pediatric Dose

URINARYNitrofurantoin Weight-Based Dosing

Input Parameters

Standard Suspension (25 mg / 5 mL)

Output Ready

Calculate accurate weight-based nitrofurantoin dosing for cystitis or UTI prophylaxis.

Guidelines & Evidence

Verified

Last Review: 2026

Dosing Guide

UTI Treatment (Cystitis)
Dose:5–7 mg/kg/day divided every 6 hours.
Max Dose:400 mg/day.
Note:Do NOT use for pyelonephritis or systemic infections as tissue penetration is poor.
UTI Prophylaxis
Dose:1–2 mg/kg once daily at bedtime.
Max Dose:100 mg/day.

Last Comprehensive Review: 2026

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