Reaction

Oestrogen Receptor Assay Positive reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,132 reports · 12 co-occurring drugs

As of the last recalculation, Oestrogen Receptor Assay Positive appears in 1,132 FAERS reports alongside 12 co-occurring drug terms. The strongest observed disproportionality signal is MEDROXYPROGESTERONE ACETATE (PRR 897.4).

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
Medroxyprogesterone Acetate773897.4911.6
Conjugated Estrogens693562.1568.9
Estrogens, Conjugated693551.8558.4
Conjugated Estrogens And Medroxyprogesterone Acetate374434.6441.6
Estradiol19048.448.5
Estradiol Gel 0.1%6728.929.0
Estradiol Transdermal6728.928.9
Raloxifene Hydrochloride2025.625.7
Progesterone2520.520.6
Anastrozole Tablets2017.417.4
Anastrozole2512.812.8
Levonorgestrel545.15.1

Related reactions

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