Fosfomycin
A unique antibiotic that is often given as a single one-time dose. It reaches high concentrations in the bladder.
Dosage by Body Weight
In children >12 years: single 3g sachet. Pediatric use for smaller children is off-label and requires specialist dosing.
- Body Weight
- Adolescents >40 kg
- Dose
- 3 grams
- Frequency
- Single dose
- Tracking Notes
- Dissolve in half a glass of water and drink immediately.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Adolescents >40 kg | 3 grams | Single dose | Dissolve in half a glass of water and drink immediately. |
Formulation
Purpose
Antibiotic used for uncomplicated urinary tract infections (Cystitis).
Generic Name
Fosfomycin TrometamolBranded Drug Names
Fosfomycin is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.
Alternatives
Safety Advice
Alcohol
CAUTIONFosfomycin: Alcohol may worsen infection-related dehydration, dizziness, or stomach upset. Avoid or limit alcohol during antibiotic treatment.
Pregnancy
SAFE IF PRESCRIBEDFosfomycin: Use during pregnancy only when prescribed for a bacterial infection; the prescriber will choose the safest suitable antibiotic.
Breast Feeding
SAFE IF PRESCRIBEDFosfomycin: Many antibiotics are compatible with breastfeeding when prescribed, but monitor the infant for diarrhea, rash, or thrush.
Driving
SAFEFosfomycin: Usually does not affect driving, but dizziness, weakness, or illness symptoms can occur. Avoid driving if affected.
Liver
CAUTIONFosfomycin: Use caution in liver disease or if jaundice, dark urine, or severe fatigue occurs during treatment.
Kidney
CAUTIONFosfomycin: Some antibiotics require dose adjustment or monitoring in kidney disease. Use exactly as prescribed.