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Fidaxomicin Dosage

Medically reviewed by Last updated on Jan 5, 2024.

Applies to the following strengths: 200 mg; 40 mg/mL

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Clostridial Infection

200 mg orally twice a day for 10 days

Use: For the treatment of Clostridioides difficile-associated diarrhea (CDAD)

Usual Pediatric Dose for Clostridial Infection

6 Months to Less Than 18 Years:
Oral suspension:


Duration of therapy: 10 days

Use: For the treatment of CDAD

Renal Dose Adjustments

No adjustment recommended.

Liver Dose Adjustments

Data not available


Known hypersensitivity to the active component or any of the ingredients

Safety and efficacy have not been established in patients younger than 6 months.

Consult WARNINGS section for additional precautions.


Data not available

Other Comments

Administration advice:

Storage requirements:

Reconstitution/preparation techniques:


Patient advice:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.