Reaction

Virologic Failure reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 5,326 reports · 34 co-occurring drugs

As of the last recalculation, Virologic Failure appears in 5,326 FAERS reports alongside 34 co-occurring drug terms. The strongest observed disproportionality signal is LAMIVUDINE ORAL (PRR 455.3).

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
Lamivudine Oral	1,899	455.3	492.5
Efavirenz	958	409.2	447.9
Nevirapine	800	407.6	447.4
Tenofovir Disoproxil Fumarate Tablets	744	391.3	428.3
Lamivudine	1,957	390.7	417.3
Zidovudine	816	281.4	299.8
Abacavir Sulfate	490	216.4	227.9
Ritonavir 100 Mg	685	205.5	215.4
Raltegravir	587	156.0	161.8
Cabotegravir	270	137.6	142.3
Darunavir	482	136.8	141.3
Ritonavir	809	127.4	131.0
Tenofovir Disoproxil Fumarate	836	117.1	120.1
Atazanavir	300	86.4	88.2
Bictegravir Sodium, Emtricitabine, And Tenofovir Alafenamide Fumarate	168	37.4	37.7
Lopinavir And Ritonavir	119	35.1	35.4
Dolutegravir Sodium	69	30.3	30.5
Sofosbuvir	131	26.6	26.7
Rifampicin	45	17.5	17.6
Ribavirin	237	15.0	15.1
Emtricitabine And Tenofovir Disoproxil Fumarate	146	12.8	12.9
Rifampin	46	12.4	12.4
Elvitegravir, Cobicistat, Emtricitabine, And Tenofovir Disoproxil Fumarate	26	11.3	11.4
Entecavir	30	10.1	10.1
Pyrazinamide	14	5.8	5.8
Glecaprevir And Pibrentasvir	15	5.3	5.4
Isoniazid	21	5.1	5.1
Elvitegravir, Cobicistat, Emtricitabine, And Tenofovir Alafenamide	12	4.7	4.7
Ledipasvir And Sofosbuvir	22	4.5	4.5
Peginterferon Alfa-2A	55	4.0	4.0
Emtricitabine And Tenofovir Alafenamide	9	3.1	3.1
Atovaquone	6	2.9	2.9
Velpatasvir And Sofosbuvir	9	2.7	2.7
Orlistat	14	2.1	2.1

Related reactions

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