BRANMOOR
THURSDAY · 14 MAY 2026

Xeljanz Xr

FDA Adverse Event Reporting System · 2025 window

Rank #241 by volume 3,309 reports in 2025

2025 report counts

Total adverse-event reports
3,309
Classified as serious
1,110
Reports with fatal outcome
74
Fatality share of serious reports
6.7%
Rank in window (by total report volume)
#241 of 500

Top reported reactions (serious-only)

The 10 most-reported reactions among serious-classified FAERS reports for this drug in 2025. MedDRA preferred terms.

Reaction (MedDRA PT)2025 reports
Condition Aggravated 114
Pain 95
Arthralgia 77
Rheumatoid Arthritis 66
Drug Ineffective 63
Death 60
Pneumonia 60
Fall 49
Illness 48
Off Label Use 39

Important caveats

FAERS report counts are a reporting signal, not a clinical assertion of causation. Higher report volumes correlate with: larger treated populations, established manufacturer pharmacovigilance infrastructure, sicker patient populations (specialty biologics for serious disease will always attract more reports than common over-the-counter agents), and reporter familiarity with the reporting workflow.

The paid FAERS Signal Surveillance product adds the disproportionality analysis (Information Component, Empirical Bayes Geometric Mean, Proportional Reporting Ratio) that normalizes these confounders and surfaces emerging signal against the FAERS baseline. See the product page.

For the canonical FDA record, see the FAERS Public Dashboard.

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