ALLOPURINOL for Off label use: Side Effects & Safety Data

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There are 122 adverse event reports in the FDA FAERS database where ALLOPURINOL was used for Off label use.

Most Reported Side Effects for ALLOPURINOL

Side Effect	Reports	%	Deaths	Hosp.
Drug reaction with eosinophilia and systemic symptoms	2,943	15.5%	319	2,098
Acute kidney injury	1,583	8.3%	220	1,205
Rash	1,103	5.8%	108	642
Off label use	921	4.8%	323	451
Pyrexia	913	4.8%	150	661
Dyspnoea	905	4.8%	203	654
Toxic epidermal necrolysis	858	4.5%	407	522
Pruritus	836	4.4%	70	474
Diarrhoea	819	4.3%	122	449
Drug ineffective	780	4.1%	144	385
Stevens-johnson syndrome	715	3.8%	178	479
Nausea	703	3.7%	286	386
Anaemia	656	3.4%	196	527
Condition aggravated	617	3.2%	257	422
Vomiting	615	3.2%	277	389