Reaction

Hypersensitivity Vasculitis reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 2,622 reports · 72 co-occurring drugs

As of the last recalculation, Hypersensitivity Vasculitis appears in 2,622 FAERS reports alongside 72 co-occurring drug terms. The strongest observed disproportionality signal is COLCHICINE (PRR 26.1).

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
Colchicine	84	26.1	26.2
Rifampicin	21	16.6	16.6
Cefazolin	16	14.0	14.0
Cefuroxime	18	12.6	12.6
Gentamicin	18	11.0	11.0
Terbinafine Hydrochloride	12	10.8	10.8
Cefazolin Sodium	16	10.6	10.6
Methimazole	10	10.1	10.2
Gentamicin Sulfate	20	10.1	10.1
Cefepime	18	10.0	10.0
Isoniazid	20	9.9	9.9
Linezolid	36	9.7	9.7
Daptomycin	11	9.5	9.5
Pyrazinamide	11	9.3	9.3
Cefepime Hydrochloride	18	8.9	8.9
Adalimumab-Fkjp	49	8.5	8.5
Adalimumab-Aaty	49	8.4	8.4
Sofosbuvir	20	8.1	8.1
Telmisartan	18	8.1	8.1
Azathioprine	83	7.7	7.7
Insulin Glargine-Yfgn	21	7.7	7.7
Amoxicillin And Clavulanate Potassium	26	7.7	7.7
Adalimumab-Adaz	49	7.5	7.5
Captopril	9	7.5	7.5
Vancomycin	53	7.4	7.4
Erlotinib	9	7.4	7.4
Vancomycin Hydrochloride	60	7.4	7.4
Phenytoin	19	7.3	7.3
Clindamycin	25	7.0	7.1
Piperacillin And Tazobactam	11	6.9	6.9
Eplerenone	11	6.8	6.8
Brimonidine Tartrate	15	6.7	6.7
Ceftriaxone	27	6.6	6.6
Erlotinib Hydrochloride	10	6.4	6.4
Felodipine Extended-Release Tablets	9	6.3	6.3
Felodipine	9	6.3	6.3
Sulfasalazine	60	6.2	6.2
Nebivolol	12	6.0	6.0
Ceftriaxone Sodium	28	5.8	5.9
Levofloxacin	42	5.6	5.6
Levofloxacin In 5% Dextrose	42	5.6	5.6
Anastrozole Tablets	15	5.6	5.6
Naproxen Sodium Tablet, Coated	9	5.3	5.3
Naproxen Sodium, Coated Tablets	9	5.3	5.3
Naproxen Sodium 220Mg	9	5.3	5.3
Hydroxyurea	14	5.3	5.3
Modafinil	21	5.2	5.2
Dorzolamide Hydrochloride And Timolol Maleate	5	5.0	5.0
Rifampin	9	4.9	4.9
Ritonavir 100 Mg	9	4.8	4.8
Meropenem	19	4.7	4.7
Febuxostat Tablets 40 Mg	6	4.7	4.7
Febuxostat Tablets 80 Mg	6	4.7	4.7
Nevirapine	5	4.4	4.4
Letrozole Tablets	26	4.3	4.3
Amlodipine Besylate And Valsartan	6	4.3	4.3
Efavirenz	6	4.3	4.3
Rivaroxaban	97	3.8	3.8
Tenofovir Disoproxil Fumarate Tablets	4	3.7	3.7
Gefitinib	4	3.5	3.5
Abatacept	52	3.0	3.0
Belimumab	12	3.0	3.0
Oxaliplatin	28	3.0	3.0
Ledipasvir And Sofosbuvir	7	2.9	2.9
Alirocumab	9	2.9	2.9
Ribavirin	22	2.7	2.7
Canagliflozin	10	2.7	2.7
Ustekinumab	31	2.4	2.4
Tafamidis	3	2.0	2.0
Benralizumab	5	2.0	2.0
Ixekizumab	9	1.9	1.9
Velpatasvir And Sofosbuvir	3	1.9	1.9

Related reactions

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