Drug Safety Information for XIFAXAN (Rifaximin)

FDA Safety-related Labeling Changes for XIFAXAN (RIFAXIMIN) Rx Drug: Safety Information Link

Adverse Drug Reactions for XIFAXAN* (Rifaximin)

These charts and graphs are based on reports received through the FDA Adverse Event Reporting System (FAERS) program (see below).

Top 20 Adverse Effects Associated with XIFAXAN
(reported in FDA Medwatch/FAERS Reports)

  Side Effect # of FDA Reports
1Diarrhoea131
2Nausea107
3Abdominal pain89
4Hepatic encephalopathy88
5Fatigue75
6Headache74
7Vomiting70
8Drug ineffective*65
9Dyspnoea62
10Anaemia60
11Pain57
12Ascites55
13Dehydration54
14Abdominal distension*52
15Death52
16Asthenia49
17Hepatic failure48
18Encephalopathy48
19Condition aggravated46
20Dizziness45

* This side effect also appears in "Top 10 Side Effects of XIFAXAN " in the drug's Review Summary based on AskaPatient reviews.

Top 10 Reasons for Taking XIFAXAN
(associated with FDA Medwatch/FAERS Reports)

Reason # of FDA Reports
1Product used for unknown indication962
2Hepatic encephalopathy504
3Crohn's disease249
4Encephalopathy128
5Diarrhoea124
6Irritable bowel syndrome111
7Overgrowth bacterial106
8Hepatic cirrhosis72
9Gastrointestinal bacterial infection60
10Colitis ulcerative49

*Also a top-10 reason in AskaPatient Review Summary.


Types of Adverse Events for XIFAXAN

Total Reports Filed with FDA: 6648


Number of FDA Adverse Event Reports by Patient Age for XIFAXAN

Total Reports Filed with FDA: 6648*


* Reports for drugs with the same active ingredients have been aggregated in this analysis: Rifaximin (Xifaxan)

Charts are based on 6648 reports filed with the FDA between 2004 and June 2015.

Adverse Event Reports are submitted to the FDA by pharmaceutical companies (mandatory reporting is required by manufacturers, distributors, or importers), health care providers such as doctors (voluntary reporting), and by patients themselves (voluntary reporting). More Information on FDA MedWatch (FDA Safety Information and Adverse Event Reporting Program)Voluntary reporting takes place under the FDA's MedWatch program, where health care professionals and consumers submit reports to FDA when they find a problem with a drug, medical device, biologic, or other FDA-regulated product. An adverse event is any undesirable experience or extreme side effect associated with the use of a medical product. Adverse events include: death, life threatening event, hospitalization, disability or permanent damage, congenital anomaly or birth defect, medical product use requiring a surgical or other intervention, or other serious medical situation believed to be caused by the drug.

Click to go back to search results and XIFAXAN Reviews and Review Summary .

Historical Analytics of FDA Adverse Event Reports Provided by Druginformer.com. FDA Drug Safety Information, including safety-related labeling updates, required post-approval safety studies, risk evaluation management strategies (REMS), alerts, and recalls are compiled by AskaPatient.com from the U.S. Food and Drug Administration.