Reaction

Pneumonia Influenzal reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,180 reports · 51 co-occurring drugs

As of the last recalculation, Pneumonia Influenzal appears in 1,180 FAERS reports alongside 51 co-occurring drug terms. The strongest observed disproportionality signal is OSELTAMIVIR PHOSPHATE (PRR 43.2).

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
Oseltamivir Phosphate	57	43.2	43.3
Oseltamivir	16	35.9	36.0
Anti-Thymocyte Globulin (Rabbit)	11	24.3	24.3
Carfilzomib	33	21.1	21.2
Imatinib	20	20.3	20.4
Sirolimus	15	19.9	19.9
Valganciclovir Hydrochloride Powder,	13	19.0	19.0
Thiotepa	10	18.6	18.6
Busulfan	15	17.0	17.0
Daratumumab	37	16.8	16.8
Cladribine	9	16.6	16.7
Abacavir Sulfate	9	16.4	16.4
Entecavir	10	15.2	15.2
Basiliximab	10	15.1	15.1
Melphalan Hydrochloride	21	15.0	15.0
Melphalan	19	15.0	15.0
Fludarabine Phosphate	32	14.7	14.7
Valganciclovir	14	13.2	13.3
Valganciclovir Hydrochloride	14	13.2	13.3
Ixazomib	21	13.1	13.1
Polatuzumab Vedotin	7	12.7	12.7
Valacyclovir	29	12.5	12.6
0Xygen	34	12.5	12.5
Oxygen	34	12.5	12.5
Selinexor	6	12.3	12.3
Ganciclovir	7	12.1	12.1
Tacrolimus Ointment 0.1%	78	11.8	11.8
Tacrolimus Extended-Release Capsules	78	11.7	11.7
Prochlorperazine Maleate	6	11.5	11.5
Voriconazole Injection	14	11.5	11.5
Dexamethasone 1.5 Mg	166	11.5	11.5
Dexamethasone	166	11.3	11.3
Mycophenilic Acid	13	11.2	11.2
Raltegravir	10	10.8	10.8
Bortezomib	52	10.7	10.7
Everolimus Tablets	10	10.6	10.6
Azelastine	10	9.9	9.9
Pomalidomide	52	9.3	9.3
Treprostinil	61	9.0	9.0
Macitentan	29	7.5	7.6
Bendamustine Hydrochloride	5	7.4	7.4
Benralizumab	8	7.1	7.1
Venetoclax	24	7.0	7.0
Palivizumab	6	6.9	6.9
Brentuximab Vedotin	4	6.9	6.9
Obinutuzumab	6	6.5	6.5
Lenalidomide	132	6.1	6.1
Diroximel Fumarate	4	5.9	5.9
Elexacaftor, Tezacaftor, And Ivacaftor	4	5.7	5.7
Fluticasone Furoate, Umeclidinium Bromide And Vilanterol Trifenatate	13	5.6	5.6
Axicabtagene Ciloleucel	3	5.4	5.4

Related reactions

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