Fosfomycin (Monurol): Uses, Side Effects, Warnings & More

Detailed Information
Fosfomycin 3gm sachet is an antibiotic medication used to treat bacterial infections, particularly:
  • Urinary tract infections (UTIs)
  • Prostatitis (inflammation of the prostate)
  • Gastrointestinal infections
It works by inhibiting bacterial cell wall formation, ultimately leading to the death of the bacteria.
Key points:
  • Available in oral and injectable forms
  • Typically taken as a single dose for UTIs
  • Effective against a range of bacteria, including E. coli and Klebsiella
  • Generally well-tolerated, with few side effects.
Fosfomycin: Additional Points
  • Spectrum of activity: Fosfomycin is effective against a wide range of bacteria, including Gram-positive, Gram-negative, and anaerobic bacteria.
  • Mechanism of action: It inhibits the enzyme MurA, which is essential for bacterial cell wall synthesis.
  • Pharmacokinetics: Fosfomycin is rapidly absorbed after oral administration, with peak serum concentrations reached within 2 hours.
  • Half-life: The half-life of fosfomycin is approximately 5.7 hours.
  • Side effects: Common side effects include:
    • Gastrointestinal upset (nausea, diarrhea, abdominal pain)
    • Headache
    • Rash
    • Yeast infections (in women)
  • Contraindications: Fosfomycin is contraindicated in patients with:
    • Kidney disease (requires dose adjustment)
    • Severe hepatic impairment
  • Interactions: Fosfomycin may interact with:
    • Metoclopramide (increased absorption)
    • Antacids (decreased absorption)
  • Pregnancy and lactation: Fosfomycin is generally considered safe during pregnancy and lactation, but consult a healthcare professional before use.

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