Reaction

Clostridium Colitis reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,208 reports · 43 co-occurring drugs

As of the last recalculation, Clostridium Colitis appears in 1,208 FAERS reports alongside 43 co-occurring drug terms. The strongest observed disproportionality signal is ANTI-THYMOCYTE GLOBULIN (RABBIT) (PRR 25.9).

Important: FAERS is a spontaneous, voluntary, unverified reporting system. PRR and ROR identify reporting patterns for investigation; they are not incidence rates and do not establish causation.

Drug	Co-reports	PRR	ROR
Anti-Thymocyte Globulin (Rabbit)	12	25.9	25.9
Metronidazole	84	24.3	24.3
Metronidazole Topical	55	20.8	20.8
Vancomycin	64	20.1	20.1
Valganciclovir Hydrochloride Powder,	14	20.0	20.0
Vancomycin Hydrochloride	70	19.4	19.4
Gentamicin	14	18.6	18.7
Gentamicin Sulfate	16	17.7	17.7
Valganciclovir	18	16.7	16.7
Valganciclovir Hydrochloride	18	16.7	16.7
Etoposide	67	16.6	16.6
Amoxicillin And Clavulanate Potassium	25	16.2	16.2
Trimethoprim	10	14.7	14.7
Polatuzumab Vedotin	8	14.2	14.2
Clindamycin Phosphate	26	13.7	13.7
Ganciclovir	8	13.6	13.6
Ganciclovir Sodium	8	13.1	13.1
Melphalan	17	13.0	13.1
Cefazolin Sodium	9	13.0	13.0
Cytarabine	43	12.7	12.8
Melphalan Hydrochloride	17	11.8	11.8
Piperacillin Sodium And Tazobactam Sodium	13	11.5	11.5
Loperamide Hcl	8	10.8	10.8
Ceftriaxone Sodium	23	10.5	10.5
Doxorubicin Hydrochloride	19	10.2	10.2
Ceftriaxone	19	10.1	10.1
Bleomycin Sulfate	6	10.1	10.1
Blinatumomab	6	10.0	10.0
Meropenem	18	9.8	9.8
Cyclophosphamide Injection, Solution	93	9.7	9.7
Cyclophosphamide	93	9.7	9.7
Cyclophosphamide For Injection	93	9.7	9.7
Thalidomide	18	8.6	8.6
Cisplatin	37	8.4	8.4
Pemetrexed	10	8.1	8.1
Bendamustine Hcl	7	7.8	7.8
Obinutuzumab	7	7.4	7.4
Doxorubicin	35	6.9	6.9
Irinotecan Hydrochloride	5	6.7	6.7
Venetoclax	23	6.5	6.5
Temozolomide	7	5.8	5.8
Gefitinib	3	5.7	5.7
Osimertinib	8	4.3	4.3

Related reactions

Data source: openFDA FAERS. See the OpenPV methodology and limitations.