Hemifacial spasm: Types, symptoms, and causes - Facial nerve twitch
- Views: 308 652
Hemifacial spasm is most often caused by a blood vessel touching a facial nerve, but it may be caused by a facial nerve injury or a tumor, or it. This condition is related to trigeminal neuralgia—an irritation of the fifth cranial nerve that causes severe facial pain. Both hemifacial spasm and trigeminal.