Dificid (fidaxomicin)

Filled with a prescription and delivered free to your door, with help on prior authorization.

Dificid is an antibiotic (a macrolide). It blocks an enzyme (RNA polymerase) that C. diff bacteria need to make RNA. Very little of it passes from the gut into the blood.

MedRx Infusion can fill Dificid with a prescription and deliver it free to your door.

What Dificid is prescribed for

C. diff diarrhea: adults and children 6 months and older with diarrhea caused by Clostridioides difficile (C. diff) bacteria.

A prescription is required. Your prescriber decides whether Dificid is right for you.

How Dificid is given

Taken by mouth. We ship it to your door.

Storage: Store the tablets at room temperature (68°F to 77°F) in the original bottle. Once the liquid (oral suspension) is mixed, keep it capped in the refrigerator and throw away what is left after 12 days.

Before you start

Before the first dose, your prescriber may ask for:

a check that the diarrhea is caused by C. diff, or that this is strongly suspected

Read the Medication Guide and the full Dificid prescribing information, and ask your prescriber or our pharmacists about side effects. Our pharmacists are on call 24 hours a day.

Insurance and prior authorization

Health plans often require prior authorization for Dificid. Our intake team checks your coverage and works with your prescriber’s office on the paperwork before your first delivery.

How to refer a patient

Offices can call (844) 671-2600 or fax a referral to (844) 671-2601. Referral forms for each specialty are on our referral forms page.

Questions

01Does MedRx Infusion fill Dificid?

Yes. MedRx Infusion can fill Dificid with a prescription and deliver it free to your door. Our intake team confirms access and coverage for each patient.

02What is Dificid used for?

Dificid is approved for c. diff diarrhea. Your prescriber decides whether it is right for you.

03Can Dificid be given at home?

Yes. Dificid is taken by mouth at home, and we ship it to your door.

04Does insurance cover Dificid?

Coverage depends on your health plan, and many plans require prior authorization. Our intake team checks your coverage before your first delivery.

See all the medications we fill.