Reaction

Sperm Concentration Decreased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 345 reports · 3 co-occurring drugs

As of the last recalculation, Sperm Concentration Decreased appears in 345 FAERS reports alongside 3 co-occurring drug terms. The strongest observed disproportionality signal is FINASTERIDE (PRR 125.1).

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
Finasteride92125.1125.3
Dutasteride537.637.7
Bleomycin Sulfate529.629.6

Related reactions

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