Reaction

Neutrophil Percentage Decreased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 525 reports · 8 co-occurring drugs

As of the last recalculation, Neutrophil Percentage Decreased appears in 525 FAERS reports alongside 8 co-occurring drug terms. The strongest observed disproportionality signal is ALEMTUZUMAB (PRR 47.0).

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
Alemtuzumab2247.047.1
Letrozole Tablets4742.442.5
Letrozole5237.037.1
Niraparib1731.331.4
Palbociclib5424.924.9
Crizotinib515.715.7
Polatuzumab Vedotin312.312.3
Emicizumab39.79.7

Related reactions

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