Reaction

Neutrophil Percentage Increased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,251 reports · 18 co-occurring drugs

As of the last recalculation, Neutrophil Percentage Increased appears in 1,251 FAERS reports alongside 18 co-occurring drug terms. The strongest observed disproportionality signal is ALEMTUZUMAB (PRR 215.7).

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
Alemtuzumab209215.7218.0
Dimenhydrinate71117.5118.3
Methylprednisolone Sodium Succinate11846.646.7
Methylprednisolone18526.026.0
Cetirizine Hydrochloride Allergy3922.122.1
Cetirizine Hydrochloride Tablets3922.122.1
Fingolimod Hcl7114.414.4
Acyclovir8713.513.6
Cladribine712.212.2
Baclofen5611.311.3
Olanzapine Pamoate2711.211.2
Cetirizine4910.910.9
Ranitidine11310.310.3
Clozapine679.39.3
Acetaminophen And Codeine68.28.2
Brentuximab Vedotin58.18.1
Dalfampridine184.24.2
Diroximel Fumarate34.24.2

Related reactions

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