Reaction

Occult Blood Positive reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,968 reports · 40 co-occurring drugs

As of the last recalculation, Occult Blood Positive appears in 1,968 FAERS reports alongside 40 co-occurring drug terms. The strongest observed disproportionality signal is WARFARIN SODIUM (PRR 16.5).

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
Warfarin Sodium7016.516.5
Olmesartan Medoxomil4814.414.5
Epoetin Alfa1614.414.4
Rivaroxaban24213.913.9
Warfarin14913.313.4
Metolazone1413.313.3
Digoxin8613.213.2
Isosorbide Dinitrate2111.511.5
Clopidogrel Bisulfate10511.411.4
Dabigatran Etexilate7811.011.0
Erythropoietin2010.410.4
Enalapril Maleate239.99.9
Gemfibrozil149.89.8
Dabigatran Etexilate Mesylate659.89.8
Clopidogrel1669.69.6
Bumetanide239.39.3
Human Insulin108.58.5
Apixaban518.28.3
Gefitinib78.28.2
Metoroprolol Tartrate467.57.5
Nifedipine337.57.5
Eplerenone97.57.5
Tolvaptan107.37.3
Glyburide167.07.0
Glipizide396.96.9
Fondaparinux Sodium56.56.6
Mesna Injection56.46.4
Mesna56.36.3
Prasugrel Hydrochloride66.36.3
Methoxy Polyethylene Glycol-Epoetin Beta65.85.8
Deferasirox145.65.6
Darbepoetin Alfa265.25.2
Macitentan314.84.8
Bosentan224.74.7
Naproxen Sodium Tablet224.44.4
Riociguat134.24.2
Alteplase64.24.2
Paricalcitol53.83.8
Hydrocodone Bitartrate102.42.4
Relugolix41.81.8

Related reactions

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