TYSABRI for Multiple sclerosis: Side Effects & Safety Data

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There are 7,629 adverse event reports in the FDA FAERS database where TYSABRI was used for Multiple sclerosis.

Most Reported Side Effects for TYSABRI

Side Effect	Reports	%	Deaths	Hosp.
Multiple sclerosis relapse	811	9.9%	8	241
Fatigue	759	9.2%	0	56
Malaise	523	6.4%	1	37
Gait disturbance	445	5.4%	2	32
Multiple sclerosis	443	5.4%	9	57
Memory impairment	422	5.1%	0	26
Headache	368	4.5%	0	34
Drug ineffective	329	4.0%	2	25
Asthenia	328	4.0%	3	49
Fall	324	4.0%	8	99
Nasopharyngitis	310	3.8%	0	14
Urinary tract infection	308	3.8%	12	117
Pain	274	3.3%	1	37
Balance disorder	260	3.2%	1	25
Hypoaesthesia	259	3.2%	0	32