Serious adverse events following treatment with ivermectin for onchocerciasis control: a review of reported cases

Filaria Journal

Table 7 Reported encephalopathic cases following ivermectin mass treatment from 1989 to 2001*

Type of Encephalopathy	No. of cases from Cameroon	No. of cases from other countries	Total no. of cases
Probable L. loa encephalopathy†	33	0	33
Possible L. loa encephalopathy†	30	2§	32
Encephalopathy of other known etiology	1‡	0	1
Encephalopathy of unknown etiology	33	4\|\|	37
Total	97	6	103

*cases reported as of August 31, 2002; †See note 2 for definitions; ‡case of cerebral malaria; §Central African Republic = 1 case; Sudan (southern) = 1 case; ||Democratic Republic of Congo = 2 cases; Sudan (southern) = 1 case; Nigeria = 1 case.