Reaction

Clostridium Test Positive reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 2,153 reports · 136 co-occurring drugs

As of the last recalculation, Clostridium Test Positive appears in 2,153 FAERS reports alongside 136 co-occurring drug terms. The strongest observed disproportionality signal is CEFAZOLIN (PRR 89.1).

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
Cefazolin	81	89.1	89.9
Ceftriaxone Sodium	273	78.7	79.2
Piperacillin Sodium,Tazobactam Sodium	195	78.0	78.6
Cefazolin Sodium	89	74.4	75.0
Piperacillin And Tazobactam	87	68.5	68.9
Ceftriaxone	210	68.5	68.9
Piperacillin Sodium And Tazobactam Sodium	99	51.1	51.3
Meropenem	146	47.1	47.3
Senna	92	44.0	44.2
Cephalexin	94	43.9	44.1
Sennosides 8.6 Mg Tablets	91	43.8	44.0
Senna Leaf	98	43.0	43.2
Polyethylene Glycol	46	42.0	42.1
Pegaspargase	46	37.1	37.2
Dutasteride	30	36.2	36.3
Cyanocobalamin	111	34.3	34.4
Sennosides	94	31.7	31.8
Vancomycin	160	28.8	28.9
Vincristine Sulfate	82	28.1	28.2
Vancomycin Hydrochloride	173	27.5	27.6
Thiamine Hydrochloride	29	22.8	22.9
Metronidazole	140	22.6	22.6
Clindamycin	63	22.1	22.1
Norepinephrine	24	21.9	22.0
Cefuroxime	25	21.4	21.4
Metronidazole Topical	96	20.3	20.4
Clindamycin Phosphate	67	20.0	20.0
Cefepime	28	19.1	19.2
Trimethoprim	23	19.1	19.1
Cefepime Hydrochloride	30	18.2	18.3
Norepinephrine Bitartrate	26	17.7	17.7
Tiotropium Bromide Inhalation Spray	20	17.4	17.4
Dimenhydrinate	19	17.4	17.4
Cytarabine	100	16.8	16.9
Melatonin	88	16.3	16.3
Micafungin Sodium	14	16.1	16.1
Mercaptopurine	28	15.8	15.8
Insulin Glargine-Yfgn	35	15.7	15.7
Linagliptin	29	15.6	15.6
Ciprofolxacin	108	15.3	15.3
Ciprofloxacin Tablets	108	15.3	15.3
Ciprofloxacin	127	14.2	14.2
Ampicillin	12	14.1	14.1
Ampicillin Sodium	12	14.1	14.1
Ciprofloxacin Hydrochloride	133	14.0	14.0
Bisacodyl Suppositories	18	13.6	13.6
Heparin Sodium	19	13.5	13.5
Biscodyl	18	13.4	13.4
Bisacodyl	18	12.5	12.5
Mometasone	23	12.2	12.3
Doxorubicin Hydrochloride	39	11.7	11.8
Pantoprazole	271	11.7	11.7
Nicotine Polacrilex Mini	18	11.7	11.7
Nicotine Polarilex	18	11.7	11.7
Sirolimus	16	11.6	11.6
Linezolid	35	11.5	11.5
Rifaximin	23	10.7	10.7
Gentamicin Sulfate	17	10.5	10.5
Acetaminophen Tablet Extended Release	245	10.3	10.4
Pain Reliever	245	10.3	10.4
Acetaminophen 500Mg	245	10.3	10.3
Sucralfate Oral	15	10.3	10.3
Fluconazole	72	10.2	10.3
Sucralfate Oral Suspension	15	10.2	10.2
Iron Sucrose	10	10.2	10.2
Pramipexole	16	10.2	10.2
Amphotericin B	13	10.1	10.1
Gentamicin	13	9.7	9.7
Chlorhexidine Gluconate	9	9.6	9.6
Filgrastim	36	9.4	9.4
Atropine	8	9.4	9.4
Drs. Clotrimazole	11	9.2	9.3
Family Wellness Clotrimazole	11	9.2	9.3
Clotrimazole Topical	11	9.2	9.2
Mesalamine	52	9.1	9.2
Basiliximab	11	9.1	9.1
Ciprofloxacin Hydrochloride And Hydrocortisone	19	8.9	8.9
Cholestyramine	11	8.8	8.8
Clotrimazole	11	8.7	8.7
Instalax Polyethylene Glycol 3350	11	8.6	8.6
Nystatin Ointment	23	8.6	8.6
Clarithromycin	30	8.6	8.6
Nystatin Cream	23	8.5	8.6
Polyethylene Glycol 400	11	8.4	8.4
Mesna Injection	7	8.2	8.2
Mesna	7	8.1	8.1
Mupirocin	11	7.9	7.9
Mupirocin Calcium	11	7.8	7.8
Lactulose	30	7.7	7.7
Primidone	8	7.6	7.6
Moxifloxacin	11	7.6	7.6
Amikacin	13	7.4	7.4
Ketoconazole	13	7.3	7.3
Tobramycin Solution	9	7.3	7.3
Dronabinol	6	7.2	7.2
Atovaquone	6	7.2	7.2
Atropine Sulfate	8	7.2	7.2
Tobramycin Sulfate	9	7.1	7.1
Metolazone	8	6.9	6.9
Axicabtagene Ciloleucel	7	6.9	6.9
Magnesium Sulfate In Water For	9	6.8	6.8
Valganciclovir	13	6.7	6.7
Valganciclovir Hydrochloride	13	6.7	6.7
Metoclopramide	37	6.6	6.6
Leucovorin Calcium	13	6.6	6.6
Ketoconazole Foam	10	6.6	6.6
Ketoconazole Cream, 2%	10	6.5	6.5
Valganciclovir Hydrochloride Powder,	8	6.4	6.4
Prochlorperazine	18	6.3	6.3
Daptomycin	6	6.3	6.3
Doxorubicin	56	6.2	6.2
Metoprolol Tartrate Injection	114	6.1	6.1
Fludarabine Phosphate	24	6.0	6.0
Epoprostenol	8	5.9	5.9
Azacitidine For	11	5.9	5.9
Timolol Maleate	6	5.9	5.9
Busulfan	9	5.5	5.6
Apixaban	36	5.3	5.3
Cyclophosphamide Injection, Solution	90	5.1	5.1
Cyclophosphamide	90	5.1	5.1
Cyclophosphamide For Injection	90	5.1	5.1
Nicotine	21	5.1	5.1
Mirabegron	20	5.0	5.0
Nicotine Polacrilex	19	4.8	4.8
Brentuximab Vedotin	5	4.7	4.7
Ifosfamide	10	4.5	4.5
Etoposide	32	4.3	4.3
Azacitidine	13	4.3	4.3
Vedolizumab	36	4.1	4.1
Umeclidinium Bromide And Vilanterol Trifenatate	7	4.1	4.1
Thiotepa	4	4.1	4.1
Brimonidine Tartrate	7	3.8	3.8
Fentanyl Citrate	7	3.8	3.8
Carboplatin	49	3.8	3.8
Tobramycin	9	3.6	3.6
Ipilimumab	13	2.9	2.9

Related reactions

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