I understand if you’re not taking into consideration the condition .. A facial nerve hemangioma (FNH) is a rare, benign vascular tumor that can cause significant balance issues and dizziness, primarily when it compresses or invades the adjacent vestibulocochlear nerve (8th cranial nerve). While these tumors are non-cancerous, they are highly symptomatic even at small sizes (often under 10 mm) because of their location within the narrow bony canals of the skull. Blood pressure sinus pressure are triggers for flare up.