Reaction

Prothrombin Level Decreased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 940 reports · 6 co-occurring drugs

As of the last recalculation, Prothrombin Level Decreased appears in 940 FAERS reports alongside 6 co-occurring drug terms. The strongest observed disproportionality signal is FONDAPARINUX SODIUM (PRR 73.1).

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
Fondaparinux Sodium2673.173.4
Warfarin Sodium4321.521.5
Rifampicin919.919.9
Aflibercept1913.713.8
Rifampin812.212.2
Cetuximab139.39.3

Related reactions

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