Abstract
Objective: To report a case of complete extraocular paralysis of the third cranial nerve, without pupillary involvement, after dengue virus infection. Details of the case: This is a case report of a 36-year-old female patient, who sought emergency care after presenting blurred vision, binocular diplopia, mild headache and sudden left eyelid ptosis in May 2019. In relation to her past history, she presented an episode of dengue in March, confirmed by serology (IgM), dening other comorbidities. We opted for hospitalization to perform complementary tests that did not show changes in laboratory and imaging exams. Treatment with methylprednisolone was performed, with partial and incomplete improvement in eye deficits. The diagnosis from exclusion of paralysis of the third cranial nerve secondary to dengue was then established, being discharged from hospital with referral for outpatient follow-up. Final considerations: The association between dengue infection and neurological impairment is described in the literature. And also, neuritis with cranial nerve palsy is rarely reported. The mechanisms involved in this condition are poorly understood, and further studies are in need, especially to standardize protocols for dengue care that present such complications.