The most commonly reported side effects of pegloticase include gout, blood uric acid increased, and infusion related reaction, based on 3,499 FDA adverse event reports from 2011 to 2025. 4.3% of reports found the drug to be ineffective.
Percentages show how often each reaction appears relative to total reports for pegloticase.
These are voluntary reports and do not establish that pegloticase caused these reactions.
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Other drugs that appear in adverse event reports alongside pegloticase. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.
Also suspected
Taken alongside
Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.
12.3% of pegloticase adverse event reports involve female patients and 52.4% involve male patients. The largest age group is adult at 69%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking pegloticase when the adverse event was reported.
Showing 15 of 38 indications
Pegloticase is sold under the brand name Krystexxa.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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