Reaction

Hyperleukocytosis reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 863 reports · 30 co-occurring drugs

As of the last recalculation, Hyperleukocytosis appears in 863 FAERS reports alongside 30 co-occurring drug terms. The strongest observed disproportionality signal is HYDROXYUREA (PRR 70.8).

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
Hydroxyurea5870.871.0
Tretinoin2370.270.4
Posaconazole Delayed-Release1942.642.7
Ketoprofen2139.539.6
Desloratadine1739.039.0
Bendamustine Hcl2336.736.8
Posaconazole2233.533.5
Brentuximab Vedotin1023.823.8
Cefuroxime1021.321.3
Azacitidine For1418.918.9
Imatinib1318.018.0
Fludarabine Phosphate2717.117.1
Rifampicin716.816.8
Azacitidine2016.616.6
Linezolid2016.616.6
Blinatumomab716.316.3
Cytarabine3715.515.5
Cladribine615.215.2
Meropenem1914.614.6
Micafungin Sodium514.314.3
Vincristine Sulfate1714.314.3
Ifosfamide1011.311.4
Acalabrutinib510.010.0
Polatuzumab Vedotin49.99.9
Venetoclax239.29.2
Remdesivir59.19.1
Bendamustine Hydrochloride48.18.1
Pazopanib Hydrochloride87.27.2
Durvalumab67.27.2
Pegfilgrastim287.07.0

Related reactions

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