Reaction

Proctitis Ulcerative reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 597 reports · 4 co-occurring drugs

As of the last recalculation, Proctitis Ulcerative appears in 597 FAERS reports alongside 4 co-occurring drug terms. The strongest observed disproportionality signal is ISOTRETINOIN (PRR 197.5).

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
Isotretinoin191197.5198.3
Mesalamine5235.335.3
Vedolizumab7333.533.5
Ozanimod Hydrochloride521.221.2

Related reactions

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