Reaction

Complement Factor Increased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 82 reports · 3 co-occurring drugs

As of the last recalculation, Complement Factor Increased appears in 82 FAERS reports alongside 3 co-occurring drug terms. The strongest observed disproportionality signal is ECULIZUMAB (PRR 198.1).

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
Eculizumab28198.1198.2
Belimumab14135.2135.2
Ravulizumab478.979.0

Related reactions

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