"The U.S. Food and Drug Administration today is implementing a plan to help phase out the use of medically important antimicrobials in food animals for food production purposes, such as to enhance growth or improve feed efficiency. The plan would "...
DIFICID (fidaxomicin) is a macrolide antibacterial drug for oral administration. Its CAS chemical name is Oxacyclooctadeca-3,5,9,13,15-pentaen-2-one, 3-[[[6-deoxy-4-O-(3,5-dichloro-2-ethyl-4,6-dihydroxybenzoyl)-2-Omethyl- β-D- mannopyranosyl]oxy]methyl]-12-[[6-deoxy-5-C-methyl-4-O-(2-methyl-1-oxopropyl)-β-D-lyxohexopyranosyl] oxy]-11-ethyl-8 -hydroxy-18-[(1R)-1-hydroxyethyl]-9,13,15-trimethyl-,(3E,5E,8S,9E,11S,12R,13E,15E,18S)-. The structural formula of fidaxomicin is shown in Figure 1.
Figure 1: Structural Formula of Fidaxomicin
DIFICID tablets (200 mg) are film-coated and contain the following inactive ingredients: microcrystalline cellulose, pregelatinized starch, hydroxypropyl cellulose, butylated hydroxytoluene, sodium starch glycolate, magnesium stearate, polyvinyl alcohol, titanium dioxide, talc, polyethylene glycol, and lecithin (soy).
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...
Last reviewed on RxList: 1/14/2016
This monograph has been modified to include the generic and brand name in many instances.
Additional Dificid Information
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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