Vertigo is a symptom characterized by the sensation of spinning, linked to disturbances in balance and possibly caused by various underlying conditions including inner ear diseases, medications, and migraines. Homeopathic treatments may be effective for conditions like benign paroxysmal positional vertigo (BPPV) and labyrinthitis, and can also address stress-related symptoms. The document emphasizes that treatment should be tailored to the underlying cause of vertigo.