Reaction

Red Blood Cell Count Abnormal reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,444 reports · 28 co-occurring drugs

As of the last recalculation, Red Blood Cell Count Abnormal appears in 1,444 FAERS reports alongside 28 co-occurring drug terms. The strongest observed disproportionality signal is NIRAPARIB (PRR 35.0).

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.
DrugCo-reportsPRRROR
Niraparib5235.035.1
Ruxolitinib15033.633.6
Avapritinib1619.219.3
Eculizumab6317.417.4
Erythropoietin2417.117.1
Acalabrutinib1416.816.8
Hydroxyurea2416.616.6
Ribociclib3516.416.4
Olaparib1913.313.3
Rucaparib813.113.1
Venetoclax5012.112.1
Inclisiran610.810.8
Palbociclib6810.710.7
Ibrutinib5710.510.6
Fulvestrant2310.210.2
Letrozole Tablets267.97.9
Abemaciclib107.37.3
Bendamustine Hydrochloride67.27.3
Peginterferon Alfa-2A267.07.0
Nilotinib146.96.9
Selinexor46.76.7
Deferasirox126.66.6
Trifluridine And Tipiracil45.45.4
Ravulizumab55.35.3
Ribavirin214.84.8
Cabozantinib123.63.6
Lenalidomide973.53.5
Pomalidomide233.33.3

Related reactions

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