Reaction

Rheumatoid Factor Increased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,104 reports · 22 co-occurring drugs

As of the last recalculation, Rheumatoid Factor Increased appears in 1,104 FAERS reports alongside 22 co-occurring drug terms. The strongest observed disproportionality signal is METHYLPREDNISOLONE ACETATE (PRR 55.3).

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
Methylprednisolone Acetate2355.355.4
Diphenhydramine Hydrochloride Capsule, Liquid Filled4844.244.3
Esomeprazole Magnesium Capsule, Delayed Release3242.842.9
Esomeprazole Magnesium Delayed Release Capsules3242.842.9
Esomeprazole Magnesium Dihydrate3242.642.7
Cetirizine Hydrochloride Allergy4730.530.6
Cetirizine Hydrochloride Tablets4730.530.6
Vitamin E4125.525.5
Tofacitinib Citrate1420.420.4
Leflunomide9919.519.5
Duloxetine6117.417.4
Tapentadol Hydrochloride2615.015.0
Loperamide Hydrochloride Oral814.914.9
Tocilizumab7914.014.0
Cetirizine5313.513.5
Etanercept28711.911.9
Loperamide Hcl811.811.8
Tofacitinib10411.611.6
Dolutegravir Sodium510.510.5
Abatacept6910.010.0
Golimumab327.27.2
Glecaprevir And Pibrentasvir35.25.2

Related reactions

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