Reaction

Total Complement Activity Decreased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 59 reports · 2 co-occurring drugs

As of the last recalculation, Total Complement Activity Decreased appears in 59 FAERS reports alongside 2 co-occurring drug terms. The strongest observed disproportionality signal is ECULIZUMAB (PRR 1,872.1).

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
Eculizumab491,872.11,873.8
Ravulizumab7207.2207.3

Related reactions

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