Fosfomycin

Fosfomycin
Indications:
urinary tract infections
Buy a 3 g fosfomycin antibiotic sachet with fast delivery. It’s one option for treating UTIs. New customers can request a coupon by contacting our support team.

Dosages

Fosfomycin 3 g

Quantity Price per sachet Total price
1 $42.00 $42.00
2 $37.50 $75.00
3 $35.67 $107.00
4 $35.00 $140.00
5 $34.60 $173.00
6 $34.17 $205.00
7 $34.00 $238.00
8 $33.88 $271.00
9 $33.67 $303.00
10 $33.60 $336.00

Payment & Shipping

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Shipping Times
Shipping MethodEstimated delivery
Express Free for orders over $300.00Estimated delivery to the U.S.: 4-7 days
Standard Free for orders over $200.00Estimated delivery to the U.S.: 14-21 days
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Discount Coupons

  • Independence Day - July 4, 2026 10% JULY410
  • Labor Day - September 7, 2026 7% LABOR07
  • Thanksgiving - November 26, 2026 9% THANKS09

Brand Names

Also known as (by country):
CountryBrand Names
Argentina
Veramina
Austria
Monuril
Belgium
Monuril
Brazil
Monuril
Bulgaria
Monural
Canada
Monurol
Chile
Monurol
Denmark
Monurol
Finland
Monurol
France
Fosfocine Monuril Uridoz
Germany
InfectoFos Monuril
Greece
Monurol
Hong Kong
Monurol
Hungary
Monural
Indonesia
Fosmicin Fosmidex Monuril
Ireland
Monuril
Israel
Monurol
Italy
Afos Berny Dafocist Danifos Faremicin-F Fosfocin Francital-F Infeur Interfos Ipamicina Monuril Tracturyl Ultramicina
Japan
Fosmicin-S
Luxembourg
Monuril
Malaysia
Monurol
Mexico
Fosfocil Monurol
Netherlands
Monuril
Philippines
Monurol
Poland
Monural
Portugal
Monuril
Romania
Monural
Russia
Monural
Slovakia
Monural
South Africa
Urizone
Spain
Fosfocina Monurol Solufos Uroseptic
Sweden
Monurol
Thailand
Fosmicin
Turkey
Monurol
United States
Monurol

Description

Note: Images in the description are provided for informational purposes and may differ from the actual appearance of the product. Please refer to the product name, strength, ingredients, and dosage form.

Fosfomycin 3 g Sachet (Granules for Oral Solution)

Fosfomycin (fosfomycin tromethamine) is a single-dose oral antibiotic supplied as granules for oral solution. In the U.S. labeling, it is indicated only for the treatment of uncomplicated urinary tract infection (acute cystitis) in women due to susceptible strains of Escherichia coli and Enterococcus faecalis. It is not indicated for the treatment of pyelonephritis (kidney infection) or perinephric abscess.

Fosfomycin

Dosage and Direction

Adults (women 18 years of age and older): one sachet (3 g) taken as a single dose. It may be taken with or without food.

How to take: Pour the entire contents of the sachet into 3 to 4 ounces of water (1/2 cup) and stir to dissolve. Do not use hot water. Take immediately after dissolving. Do not take it in its dry form.

Your symptoms should improve in about 2 to 3 days. If symptoms do not improve, contact your health care provider.

Precautions

  • Do not use more than one single dose to treat a single episode of acute cystitis. Repeated daily doses did not improve outcomes and increased adverse events.
  • Antibiotic-associated diarrhea: diarrhea can occur with antibiotics. Seek medical advice right away if you develop watery or bloody stools (with or without stomach cramps and fever), even up to 2 months after taking the dose.
  • Pregnancy: use during pregnancy only if clearly needed. Breastfeeding: it is not known whether fosfomycin tromethamine is excreted in human milk; discuss feeding options with your provider.
  • Pediatrics: safety and effectiveness in children 12 years and under have not been established.

Contraindications

Contraindicated in patients with known hypersensitivity to fosfomycin.

Drug Interaction

  • Metoclopramide (and other drugs that increase gastrointestinal motility) may lower serum concentrations and urinary excretion of fosfomycin.
  • Cimetidine does not affect fosfomycin pharmacokinetics when coadministered.

Possible Side Effect

In clinical studies, the most common drug-related adverse reactions (>1%) were diarrhea, vaginitis, nausea, headache, dizziness, asthenia, and dyspepsia. Other events reported in clinical trials included rhinitis, back pain, dysmenorrhea, pharyngitis, abdominal pain, rash, and transient lab changes.

Rare serious adverse events have been reported in post-marketing experience (mostly outside the United States), including angioedema, aplastic anemia, asthma exacerbation, cholestatic jaundice, hepatic necrosis, and toxic megacolon; during post-marketing surveillance, anaphylaxis and hearing loss have also occurred.

Fosfomycin

Missed Dose

This product is taken as a single dose. If you forget to take it, take it as soon as you remember the same day. Do not take an extra sachet to make up for a missed dose; contact your prescriber for advice.

Overdose

Events observed in patients who have taken fosfomycin in overdose include vestibular loss, impaired hearing, metallic taste, and a general decline in taste perception. In the event of overdose, treatment should be symptomatic and supportive. Seek urgent medical help if an overdose is suspected.

Storage

Store at 77°F (25°C); excursions permitted to 59–86°F (15–30°C). Keep out of the reach of children.

Reviewed by
Donna Brettler
BPharm, MPH - Pharmacologist and medical writer

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