Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Rifaximin
Drug ID BADD_D01938
Description Rifaximin is a semisynthetic, rifamycin-based non-systemic antibiotic, meaning that the drug will not pass the gastrointestinal wall into the circulation as is common for other types of orally administered antibiotics. It has multiple indications and is used in treatment of traveller's diarrhea caused by E. coli; reduction in risk of overt hepatic encephalopathy recurrence; as well as diarrhea-predominant irritable bowel syndrome (IBS-D) in adult women and men. It is marketed under the brand name Xifaxan by Salix Pharmaceuticals.
Indications and Usage Rifaximin has multiple indications by the FDA: for the treatment of patients (≥12 years of age) with traveller's diarrhea caused by noninvasive strains of Escherichia coli; for the reduction of overt hepatic encephalopathy recurrence in patients ≥18 years of age; and in May 2015 it was approved for irritable bowel syndrome with diarrhea (IBS-D) treatment in adult men and women.
Marketing Status approved; investigational
ATC Code A07AA11; D06AX11
DrugBank ID DB01220
KEGG ID D02554
MeSH ID D000078262
PubChem ID 6436173
TTD Drug ID D04ITO
NDC Product Code 14501-0082; 17337-0043; 17337-0044; 73309-232; 17337-0032; 57297-029; 65649-303; 10695-011; 14501-0093; 65649-301; 12828-0089; 62207-017; 76278-1109; 50090-2445; 55154-6777; 59285-008; 70799-000; 73377-184; 14501-0021
UNII L36O5T016N
Synonyms Rifaximin | 4-Deoxy-4'-methylpyrido(1',2'-1,2)imidazo(5,4C)rifamycin | L 105 | L-105 | L105 | Redactiv | Xifaxan
Chemical Information
Molecular Formula C43H51N3O11
CAS Registry Number 80621-81-4
SMILES CC1C=CC=C(C(=O)NC2=C(C3=C(C4=C(C(=C3O)C)OC(C4=O)(OC=CC(C(C(C(C(C(C1O)C)O)C)OC(=O )C)C)OC)C)C5=C2N6C=CC(=CC6=N5)C)O)C
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice..
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Nasal discomfort22.12.03.012--Not Available
Protein urine present13.13.02.006--Not Available
Musculoskeletal discomfort15.03.04.001--Not Available
Haemorrhage24.07.01.002--Not Available
Varices oesophageal24.10.02.004; 09.01.06.009; 07.15.05.0010.000804%Not Available
Rectal tenesmus07.03.03.001; 15.05.03.011--Not Available
Chronic hepatic failure09.01.03.0090.001929%Not Available
Clostridium colitis11.02.02.005; 07.19.01.011--Not Available
Angiopathy24.03.02.007--Not Available
Drug resistance08.06.01.0050.000643%Not Available
Urine output increased13.13.03.002--Not Available
Hot flush24.03.01.005; 21.02.02.001; 08.01.03.027--
Biliary tract disorder09.02.03.0010.000322%Not Available
Infestation23.11.01.002; 11.09.01.001--Not Available
Malnutrition14.03.02.004--Not Available
Mediastinal disorder22.09.03.001--Not Available
Mental disorder19.07.01.002--Not Available
Decreased appetite14.03.01.005; 08.01.09.028--
Ill-defined disorder08.01.03.0490.005530%Not Available
Inner ear disorder04.04.02.002--Not Available
Blood disorder01.05.01.004--Not Available
Disease recurrence08.01.03.0500.002669%Not Available
Respiratory tract infection22.07.07.001; 11.01.08.017--Not Available
Procedural pain12.02.05.007; 08.01.08.009--Not Available
Anorectal discomfort07.03.03.003--Not Available
Hepatic cancer16.07.02.004; 09.04.02.0080.000965%Not Available
Hepatocellular carcinoma16.07.02.005; 09.04.02.0100.000322%Not Available
Multiple organ dysfunction syndrome08.01.03.0570.000965%
Portal hypertensive gastropathy24.08.06.006; 09.01.06.022; 07.12.01.0070.000482%Not Available
Non-alcoholic steatohepatitis14.08.04.024; 09.01.07.0350.000322%Not Available
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ADReCS-Target
Drug Name ADR Term Target
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