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Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

Janus Kinase Inhibitors [MoA] — Common Side Effects

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Side Effect Total Reports Drugs Deaths Hosp. Life-Threat.
Drug ineffective 36,584 6 1,699 5,356 1,908
Pain 28,165 6 1,902 6,025 2,158
Off label use 26,599 6 3,418 5,440 2,309
Fatigue 21,905 6 2,034 5,227 2,160
Arthralgia 20,893 6 1,624 4,663 1,837
Condition aggravated 18,930 6 1,661 4,224 1,813
Rheumatoid arthritis 15,330 4 1,775 3,982 2,109
Headache 15,269 6 1,497 3,280 1,610
Diarrhoea 12,502 6 1,618 3,720 1,669
Pain in extremity 12,371 6 1,100 2,879 1,033
Malaise 12,172 6 1,590 3,673 1,462
Joint swelling 12,149 6 1,802 3,273 2,117
Nausea 11,670 6 1,284 3,243 1,492
Death 11,629 6 11,520 1,177 91
Rash 11,361 6 1,784 3,448 2,085
Peripheral swelling 10,262 6 1,424 3,012 1,458
Nasopharyngitis 10,039 6 1,419 2,528 1,495
Pneumonia 9,490 6 2,008 5,698 1,287
Abdominal discomfort 9,403 6 1,517 2,748 1,829
Covid-19 9,332 6 519 2,644 108
Musculoskeletal stiffness 8,800 4 1,298 2,291 1,582
Dyspnoea 8,796 6 1,441 3,677 1,374
Alopecia 8,563 6 1,476 2,553 1,879
Swelling 8,561 6 1,667 2,789 1,987
Infection 8,445 6 1,489 3,313 1,316
Weight increased 8,267 6 1,596 2,547 1,686
Product dose omission issue 8,203 6 83 887 20
Drug intolerance 8,007 6 1,306 2,321 1,681
Arthropathy 7,990 4 1,462 3,075 1,904
Pyrexia 7,931 6 1,504 4,090 1,507
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