Reaction

Long Qt Syndrome reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 2,378 reports · 95 co-occurring drugs

As of the last recalculation, Long Qt Syndrome appears in 2,378 FAERS reports alongside 95 co-occurring drug terms. The strongest observed disproportionality signal is LOPINAVIR AND RITONAVIR (PRR 37.0).

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
Lopinavir And Ritonavir	56	37.0	37.2
Sotalol Hydrochloride	59	31.8	31.9
Sevoflurane	22	23.4	23.4
Amiodarone Hydrochloride	24	18.9	19.0
Clarithromycin	72	18.9	18.9
Atropine	16	17.0	17.0
Ceftriaxone	56	15.3	15.3
Posaconazole Delayed-Release	19	15.3	15.3
Abiraterone	23	14.9	14.9
Ceftriaxone Sodium	62	14.5	14.5
Midazolam Hydrochloride	42	13.9	13.9
Atropine Sulfate	17	13.9	13.9
Midazolam	39	13.8	13.8
Posaconazole	24	13.0	13.1
Loperamide Hydrochloride Oral	15	12.9	13.0
Escitslopram	83	12.9	12.9
Captopril	14	12.8	12.8
Lithium	36	12.7	12.7
Lithium Bromatum	36	12.7	12.7
Metoclopramide	76	12.5	12.5
Escitalopram Oxalate	96	12.0	12.0
Norepinephrine	14	11.5	11.5
Moxifloxacin Hydrochloride	26	11.3	11.4
Citalopram Hydrobromide	130	11.2	11.2
Moxifloxacin	17	10.6	10.6
Levofloxacin	71	10.6	10.6
Levofloxacin In 5% Dextrose	71	10.6	10.6
Loperamide Hcl	15	10.3	10.3
Methadone	49	10.2	10.2
Rocuronium Bromide	13	9.7	9.7
Ondansetron	115	9.6	9.6
Ondansetron Tablets	115	9.6	9.6
Fluoxetine	71	9.6	9.6
Metronidazole Topical	51	9.6	9.6
Ondansetron Hydrochloride	127	9.5	9.5
Propofol	39	9.5	9.5
Metoclopramide Hydrochloride	81	9.5	9.5
Citalopram	138	9.3	9.3
Quinine	9	9.2	9.2
Norepinephrine Bitartrate	15	9.2	9.2
Fluconazole	70	9.0	9.0
Piperacillin And Tazobactam	13	8.9	8.9
Haloperidol Lactate	25	8.9	8.9
Haloperidol	24	8.7	8.7
Donepezil Hydrochloride	36	8.7	8.7
Busulfan	15	8.4	8.4
Itraconazole	11	8.3	8.3
Metronidazole	59	8.3	8.3
Cimetidine	9	8.2	8.2
Methadone Hydrochloride	10	8.1	8.1
Hydroxyzine	43	8.0	8.0
Olanzapine	93	7.8	7.8
Guanfacine	7	7.8	7.8
Quetiapine	158	7.6	7.6
Tretinoin	7	7.6	7.6
Cefazolin Sodium	10	7.3	7.3
Azithromycin	33	7.3	7.3
Piperacillin Sodium And Tazobactam Sodium	16	7.2	7.2
Linezolid	24	7.1	7.1
Ritonavir 100 Mg	12	7.1	7.1
Azithromycin Monohydrate	33	7.0	7.0
Ciprofolxacin	56	7.0	7.0
Ciprofloxacin Tablets	56	7.0	7.0
Meropenem	25	6.9	6.9
Escitalopram	106	6.9	6.9
Vortioxetine	13	6.7	6.7
Aripiprazole Oral	30	6.4	6.4
Aripiprazole Orally Disintegrating	30	6.4	6.4
Diazepam Oral Solution (Concentrate)	63	6.3	6.3
Diazepam Oral	63	6.3	6.3
Amphotericin B	9	6.3	6.3
Quetiapine Fumarate	21	6.3	6.3
Piperacillin Sodium,Tazobactam Sodium	18	6.0	6.0
Abiraterone Acetate	27	5.8	5.8
Daptomycin	6	5.7	5.7
Amikacin	11	5.7	5.7
Pyrazinamide	6	5.6	5.6
Risperidone	82	5.6	5.6
Osimertinib	20	5.5	5.5
Ziprasidone	11	5.5	5.5
Derma Foam Excel Hand Sanitizer	5	5.5	5.5
Ethanol	5	5.5	5.5
Rifampin	9	5.4	5.4
Voriconazole Injection	13	5.3	5.3
Voriconazole	18	5.2	5.2
Dofetilide	6	5.0	5.0
Ziprasidone Mesylate	8	4.9	4.9
Axicabtagene Ciloleucel	5	4.4	4.4
Oseltamivir	4	4.4	4.4
Dronedarone	5	4.3	4.3
Calcium, Magnesium, Potassium, And Sodium Oxybates	4	4.1	4.1
Clozapine	53	3.8	3.8
Lurasidone Hydrochloride	8	3.4	3.4
Apalutamide	4	3.0	3.0
Valbenazine	3	1.0	1.0

Related reactions

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