METHIMAZOLE for Atrial fibrillation: Side Effects & Safety Data

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There are 9 adverse event reports in the FDA FAERS database where METHIMAZOLE was used for Atrial fibrillation.

Most Reported Side Effects for METHIMAZOLE

Side Effect	Reports	%	Deaths	Hosp.
Drug ineffective	305	12.2%	18	185
Agranulocytosis	263	10.5%	36	199
Hyperthyroidism	206	8.2%	9	105
Off label use	143	5.7%	6	62
Hypothyroidism	98	3.9%	3	36
Foetal exposure during pregnancy	85	3.4%	7	19
Neutropenia	78	3.1%	5	42
Condition aggravated	76	3.0%	7	36
Thyrotoxic crisis	75	3.0%	6	53
Drug-induced liver injury	73	2.9%	6	36
Product use in unapproved indication	67	2.7%	3	20
Exposure during pregnancy	63	2.5%	0	13
Product use issue	63	2.5%	3	19
Pruritus	63	2.5%	13	22
Rash	62	2.5%	2	19