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 a 3 g powder for oral solution use. It treats uncomplicated urinary tract infection in adult women.

GNH India supplies Monuril as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Zambon Nv

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Indications & Clinical Uses

Monuril (fosfomycin trometamol) is used to treat bacterial infections of the urinary tract.

  • Uncomplicated urinary tract infection: eradicates susceptible uropathogens and resolves symptoms in adult women.
  • Acute uncomplicated cystitis: provides a single‑dose oral therapy for women with cystitis.
  • Uncomplicated lower urinary tract infection: clears infection and prevents recurrence in otherwise healthy patients.

How It Works

  • Fosfomycin trometamol inhibits bacterial cell wall synthesis by blocking the formation of N‑acetylmuramic acid, an essential precursor in peptidoglycan construction. This action prevents the assembly of a functional cell wall, leading to bacterial lysis and death, particularly against common uropathogens such as Escherichia coli.

Side Effects

Adverse reactions may occur with any medication and should be monitored.

Common Side Effects

  • Diarrhea: mild to moderate loose stools.
  • Nausea: feeling of sickness.
  • Headache: mild headache.
  • Abdominal discomfort: mild pain or cramping.

Serious or Rare Side Effects

  • Allergic reaction: rash, itching, swelling of face or throat.
  • Severe skin reaction: Stevens‑Johnson syndrome or toxic epidermal necrolysis.
  • Clostridioides difficile‑associated colitis: severe diarrhea potentially requiring medical attention.

Precautions & Warnings

When using Monuril, consider the following safety measures.

  • Pregnancy: Category B; use only if clearly needed after risk assessment.
  • Renal impairment: dose adjustment may be required; monitor kidney function.
  • Known hypersensitivity: avoid if allergic to fosfomycin or related compounds.
  • Concomitant antacids: may reduce absorption; separate administration by at least 2 hours.
  • Pediatric use: safety and efficacy have not been established in children.
  • Store at ambient temperature below 25 °C: keep in the original pack, protect from moisture.

Avoid Interactions

Fosfomycin trometamol may interact with other medicines; review patient medication lists.

Major Interactions (Avoid)

  • Antacids containing aluminum or magnesium: significantly reduce fosfomycin absorption.
  • Probenecid: may increase fosfomycin plasma concentrations, raising toxicity risk.
  • Oral contraceptives: potential reduction in efficacy; consider additional contraceptive measures.

Moderate Interactions (Monitor Closely)

  • Warfarin: possible alteration of INR; monitor coagulation parameters.
  • Diuretics: may affect urinary concentration of the drug; monitor renal function and electrolytes.

Frequently Asked Questions

Monuril contains fosfomycin trometamol and is indicated for the treatment of uncomplicated urinary tract infections, primarily in adult women. It provides a single‑dose oral therapy that targets common uropathogens, helping to relieve symptoms such as dysuria, frequency, and urgency.

Fosfomycin trometamol blocks the early step of bacterial cell‑wall synthesis by inhibiting the enzyme that forms N‑acetylmuramic acid, a key building block of peptidoglycan. Without this component, bacteria cannot construct a stable cell wall, leading to cell lysis and bacterial death.

The prescribed dose of Monuril is determined by the treating clinician based on the patient’s condition, age, renal function, and local guidelines. The medication is supplied as a single 3 g sachet that is reconstituted for oral administration.

Monuril is classified as Pregnancy Category B, indicating that animal studies have not shown risk to the fetus and there are no adequate human studies. It may be used during pregnancy only if the potential benefit justifies any potential risk. Limited data are available for breastfeeding; a risk‑benefit assessment should be performed.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity of Monuril. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any required import documentation.

Monuril offers a single‑dose oral regimen, which can improve adherence compared with multi‑day courses of trimethoprim‑sulfamethoxazole or fluoroquinolones. Its unique mechanism targets bacterial cell‑wall synthesis, providing activity against many resistant strains, though susceptibility testing remains important.

Monuril should be stored at ambient temperature below 25 °C, in its original packaging, and protected from moisture. The powder is stable under these conditions and does not require refrigeration.

The powder is reconstituted with a specified amount of water to create an oral solution. The patient drinks the solution after a full glass of water, typically on an empty stomach, to ensure optimal absorption.

Serious adverse events, although rare, include severe allergic reactions such as anaphylaxis, Stevens‑Johnson syndrome, toxic epidermal necrolysis, and Clostridioides difficile‑associated colitis. Patients should seek immediate medical attention if they develop rash, severe diarrhea, or signs of an allergic response.

Monuril should be avoided in individuals with a known hypersensitivity to fosfomycin or any component of the formulation. Caution is advised in patients with severe renal impairment, and it is not recommended for routine use in children unless specifically indicated by a qualified healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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