Reaction

False Positive Investigation Result reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 998 reports · 6 co-occurring drugs

As of the last recalculation, False Positive Investigation Result appears in 998 FAERS reports alongside 6 co-occurring drug terms. The strongest observed disproportionality signal is ZONISAMIDE (PRR 11.4).

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
Zonisamide811.411.4
Pyrazinamide511.211.2
Desvenlafaxine Succinate1310.210.2
Norepinephrine59.89.8
Paliperidone76.36.3
Tapentadol Hydrochloride95.75.7

Related reactions

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