Some possibilities: The list of possible causes of downbeat nystagmus that the neurologists and neuroophthalmologists think about include: Arnold-Chiari type I malformation, tumors (meningioma, cerebellar hemangioma) at the foramen magnum, demyelination, stroke, cranial trauma, drugs (alcohol, lithium, anticonvulsants), spinocerebellar degenerations, syrinx of the brainstem or upper cervical spinal cord, etc...
Answered 11/28/2017
1.1k views
4 doctors weighed in across 3 answers
6 doctors weighed in across 2 answers
7 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question