Product image of Monuril (Fosfomycin Trometamol) supplied by GNH India

Monuril

Active Ingredient:
Fosfomycin Trometamol
Origin:
EU

Monuril (Fosfomycin Trometamol)

Fosfomycin Trometamol, the active ingredient in Monuril, is a phosphonic acid antibiotic presented as an oral dosage form for oral use. It treats uncomplicated urinary tract infection in adult patients by targeting the causative bacteria.
GNH India supplies Monuril as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Zambon S.P.A.

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Indications & Clinical Uses

  • Monuril is used to treat bacterial infections of the urinary tract, specifically uncomplicated urinary tract infection.
  • Uncomplicated urinary tract infection: eradicates the causative bacteria, providing symptomatic relief and helping prevent recurrence.

How It Works

  • Fosfomycin Trometamol inhibits bacterial cell wall synthesis by irreversibly inactivating the enzyme MurA (UDP‑N‑acetylglucosamine enolpyruvyl transferase). This blockade prevents the formation of N‑acetylmuramic acid, a critical precursor of peptidoglycan, leading to weakened cell walls and bacterial death, particularly against common uropathogens.

Side Effects

Common Side Effects

  • Nausea: mild to moderate stomach upset after oral intake.
  • Diarrhea: loose stools occurring within a few hours of dosing.
  • Abdominal pain: cramping or discomfort in the lower abdomen.
  • Headache: transient mild headache reported by some patients.

Serious or Rare Side Effects

  • Severe allergic reaction (anaphylaxis): rapid onset of breathing difficulty, swelling, or rash.
  • Stevens‑Johnson syndrome or toxic epidermal necrolysis: severe skin blistering and detachment.
  • Clostridioides difficile‑associated diarrhea: persistent watery stools with possible colitis.

Precautions & Warnings

Before prescribing Monuril, consider the following precautions:

  • Assess renal function: adjust use in patients with severe renal impairment.
  • Avoid in known hypersensitivity: discontinue immediately if allergic signs appear.
  • Use with caution in pregnancy: limited data, benefits must outweigh potential risks.
  • Monitor liver enzymes: rare hepatic effects have been reported.
  • Store at room temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Monuril may interact with other medicines as follows:

Major Interactions (Avoid)

  • Antacids containing magnesium or aluminum: may reduce fosfomycin absorption.
  • Probenecid: can increase fosfomycin plasma concentrations.
  • Warfarin: potential enhancement of anticoagulant effect.

Moderate Interactions (Monitor Closely)

  • Oral contraceptives: possible reduction in contraceptive efficacy.
  • Diabetes medications: monitor blood glucose as fosfomycin may affect levels.

Frequently Asked Questions

Monuril contains fosfomycin trometamol and is indicated for the treatment of uncomplicated urinary tract infections caused by susceptible bacteria in adult patients. It is administered as a single oral dose to clear the infection and relieve symptoms.

Fosfomycin trometamol works by inhibiting the bacterial enzyme MurA, which is essential for the first step of peptidoglycan synthesis in the cell wall. By blocking this pathway, the drug weakens the bacterial wall, leading to cell lysis and death of the pathogen.

The prescribed dose of Monuril is determined by the treating clinician based on the patient’s condition, renal function, and local prescribing guidelines. The medication is typically given as a single oral dose, but the exact amount must be confirmed by a healthcare professional.

Safety data for fosfomycin trometamol in pregnancy and lactation are limited. It should only be used if the potential benefit justifies any possible risk to the fetus or infant, and the decision should be made by the prescribing physician after evaluating the individual situation.

To order Monuril, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, and will request verification of trade or institutional credentials. The sales team will then provide pricing, availability, shipping details (including any cold‑chain requirements) and assist with import documentation.

Monuril offers a single‑dose oral regimen, which can improve adherence compared with multi‑day courses of drugs such as trimethoprim‑sulfamethoxazole or fluoroquinolones. Its unique mechanism targets MurA, providing activity against some resistant strains, though susceptibility testing remains essential to guide therapy.

Monuril should be stored at room temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the product out of reach of children and avoid storing it in humid environments such as bathrooms.

Monuril is taken orally as a single dose, usually with a full glass of water. It can be taken with or without food, but patients should follow any specific instructions provided by their healthcare provider regarding timing relative to meals.

The most serious risks include severe allergic reactions such as anaphylaxis, skin disorders like Stevens‑Johnson syndrome, and Clostridioides difficile‑associated colitis. Patients should seek immediate medical attention if they experience rash, swelling, difficulty breathing, or persistent severe diarrhea.

Monuril should not be used by individuals with a known hypersensitivity to fosfomycin or any component of the formulation. Caution is also advised for patients with severe renal impairment, and it is generally avoided in children unless specifically prescribed by a pediatric specialist.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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