The most commonly reported side effects of idursulfase include pyrexia, product dose omission issue, and inappropriate schedule of product administration, based on 3,887 FDA adverse event reports from 2006 to 2025.
Percentages show how often each reaction appears relative to total reports for idursulfase.
These are voluntary reports and do not establish that idursulfase caused these reactions.
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Other drugs that appear in adverse event reports alongside idursulfase. 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.
1.0% of idursulfase adverse event reports involve female patients and 84.5% involve male patients. The largest age group is child at 45%. These figures reflect who reports side effects, not underlying risk.
Sex
Age group
Conditions and purposes for which patients were taking idursulfase when the adverse event was reported.
Showing 15 of 38 indications
Idursulfase is sold under the brand name Elaprase.
An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.
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