Fosfomycin

ByBrian J. Werth, PharmD, University of Washington School of Pharmacy
Reviewed/Revised May 2024
VIEW PROFESSIONAL VERSION

Escherichia coli (E. coli) or Enterococcus faecalis. It is sometimes used to treat other infections when they are caused by bacteria resistant to other antibiotics.

Some bacteria have an outer covering (cell wall) that protects them. Fosfomycin works by preventing bacteria from forming this wall, resulting in death of the bacteria.

Table

Fosfomycin is usually well-tolerated but may cause nausea and diarrhea.

(See also Overview of Antibiotics.)

Use of Fosfomycin During Pregnancy and Breastfeeding

Safety of Medications During Pregnancy.)

Whether use of fosfomycin during breastfeeding is safe is not known. (See also Medication and Substance Use During Breastfeeding.)

Drugs Mentioned In This Article

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