FDA label
What is Dificid used for?
Dificid contains fidaxomicin. The FDA-approved uses below are quoted from the Indications and Usage section of its DailyMed label.
Source: DailyMed SPL label file dated 2026-10-23. Publisher page
The FDA label for Dificid lists 2 uses: Clostridioides difficile-Associated Diarrhea; Usage.
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Dificid, tablet, film coated
Indications and Usage, quoted from the label by Merck Sharp & Dohme LLC (NDA201699). Cross-references to other label sections are left out.
Clostridioides difficile-Associated Diarrhea
DIFICID® is indicated in adult and pediatric patients aged 6 months and older for the treatment of C. difficile-associated diarrhea (CDAD).
Usage
To reduce the development of drug-resistant bacteria and maintain the effectiveness of DIFICID and other antibacterial drugs, DIFICID should be used only to treat infections that are proven or strongly suspected to be caused by C. difficile. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
Source: DailyMed label, set id dd966338-c820-4270-b704-09ef75fa3ceb, version 22, effective October 16, 2024. NDC 52015-080, one of 1 listing for this product.
Questions
What is Dificid used for?
The FDA label for Dificid lists 2 uses: Clostridioides difficile-Associated Diarrhea; Usage.
What drug class is Dificid?
FDA lists fidaxomicin in the Macrolide Antibacterial established pharmacologic class.
Does this page cover off-label uses or dosing?
No. This page shows only the Indications and Usage section of the FDA label. Ask a pharmacist or prescriber about dosing.