Medications and Drugs

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Brand Names: Dificid

Generic Name: fidaxomicin (Pronunciation: fye DAX oh MYE sin)

• What is fidaxomicin (Dificid)?
• What are the possible side effects of fidaxomicin (Dificid)?
• What is the most important information I should know about fidaxomicin (Dificid)?
• What should I discuss with my healthcare provider before taking fidaxomicin (Dificid)?
• How should I take fidaxomicin (Dificid)?
• What happens if I miss a dose (Dificid)?
• What happens if I overdose (Dificid)?
• What should I avoid while taking fidaxomicin (Dificid)?
• What other drugs will affect fidaxomicin (Dificid)?
• Where can I get more information?

What is fidaxomicin (Dificid)?

Fidaxomicin is an antibiotic that fights bacteria.

Fidaxomicin is used to treat diarrhea caused by infection with Clostridium difficile.

Fidaxomicin may also be used for purposes not listed in this medication guide.

What are the possible side effects of fidaxomicin (Dificid)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

• fever, chills, body aches, flu symptoms, sores in your mouth and throat;
• pale skin, feeling light-headed or short of breath, rapid heart rate, trouble concentrating;
• black, bloody, or tarry stools; or
• coughing up blood or vomit that looks like coffee grounds.

Less serious side effects may include:

• nausea, vomiting, stomach pain;
• bloating or gas; or
• mild rash or itching.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about fidaxomicin (Dificid)?

You should not use fidaxomicin if you are allergic to it.

Take this medication for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics.

Call your doctor at once if you have a serious side effect such as fever, chills, flu symptoms, mouth sores, pale skin, feeling light-headed or short of breath, rapid heart rate, trouble concentrating, bloody or tarry stools, or coughing up blood or vomit that looks like coffee grounds.

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