Generic Name: fidaxomicin (fye-DAX-oh-MYE-sin)
Brand Name: Dificid

Dificid is used for:

Treating diarrhea caused by a certain bacteria (Clostridium difficile).

Dificid is a macrolide antibiotic. It works by killing sensitive bacteria.

Do NOT use Dificid if:

  • you are allergic to any ingredient in Dificid

Contact your doctor or health care provider right away if any of these apply to you.

Slideshow: View Frightful (But Dead Serious) Drug Side Effects

Before using Dificid:

Some medical conditions may interact with Dificid. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have had a severe allergic reaction (eg, severe rash, hives, difficulty breathing, dizziness) to a macrolide antibiotic (eg, erythromycin)
  • if you have another infection

Some MEDICINES MAY INTERACT with Dificid. However, no specific interactions with Dificid are known at this time.

Ask your health care provider if Dificid may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Dificid:

Use Dificid as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Take Dificid by mouth with or without food.
  • To clear up your infection completely, take Dificid for the full course of treatment. Keep taking it even if you feel better in a few days.
  • If you miss a dose of Dificid, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Dificid.

Important safety information:

  • Do NOT take Dificid for longer than prescribed without checking with your doctor.
  • Dificid only works against infections caused by a certain bacteria (C. difficile); it does not treat viral infections (eg, the common cold).
  • Be sure to use Dificid for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The bacteria could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
  • Long-term or repeated use of Dificid may cause a second infection. Tell your doctor if signs of a second infection occur. Your medicine may need to be changed to treat this.
  • Dificid should be used with extreme caution in CHILDREN younger than 18 years old; safety and effectiveness in these children have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: It is not known if Dificid can cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Dificid while you are pregnant. It is not known if Dificid is found in breast milk. If you are or will be breast-feeding while you use Dificid, check with your doctor. Discuss any possible risks to your baby.

Possible side effects of Dificid:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Nausea; stomach pain; vomiting.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, throat, or tongue; unusual hoarseness); fever, chills, or persistent sore throat; severe or persistent constipation or stomach pain; symptoms of stomach or bowel bleeding (eg, black, tarry stools; vomit that looks like coffee grounds); unusual tiredness or weakness.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.

Proper storage of Dificid:

Store Dificid at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Dificid out of the reach of children and away from pets.

General information:

  • If you have any questions about Dificid, please talk with your doctor, pharmacist, or other health care provider.
  • Dificid is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take Dificid or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Dificid. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Dificid. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Dificid.

Issue Date: July 2, 2014
Database Edition 14.3.1.001
Copyright © 2014 Wolters Kluwer Health, Inc.

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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