Reaction

Intraductal Proliferative Breast Lesion reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,243 reports · 21 co-occurring drugs

As of the last recalculation, Intraductal Proliferative Breast Lesion appears in 1,243 FAERS reports alongside 21 co-occurring drug terms. The strongest observed disproportionality signal is ANASTROZOLE TABLETS (PRR 21.5).

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
Anastrozole Tablets2721.521.5
Anastrozole3315.415.4
Pertuzumab2012.512.5
Baricitinib610.510.5
Ado-Trastuzumab Emtansine510.010.0
Fingolimod Hcl459.09.0
Natalizumab908.98.9
Ribociclib168.68.6
Daratumumab198.18.1
Calcium, Magnesium, Potassium, And Sodium Oxybates47.87.8
Ocrelizumab287.77.7
Bendamustine Hcl77.67.6
Ravulizumab56.26.2
Interferon Beta-1A666.06.0
Conjugated Estrogens And Medroxyprogesterone Acetate85.75.7
Ranitidine Hydrochloride185.65.6
Dalfampridine184.24.2
Diroximel Fumarate34.24.2
Dimethyl Fumarate304.24.2
Levonorgestrel393.33.3
Pomalidomide162.62.6

Related reactions

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