Can Multiple Sclerosis cause 3rd nerve palsy?

Yes, Multiple Sclerosis (MS) can cause third nerve palsy, though it is relatively uncommon. MS is an autoimmune disease that affects the central nervous system, leading to demyelination and neurological symptoms. When lesions occur in areas of the brain that control eye movement, particularly affecting the oculomotor nerve (cranial nerve III), it can result in third nerve palsy, characterized by symptoms like double vision and eyelid drooping.