Hi. I ve gone through your query. I can understand your anxiety. Vertigo due to neck or head injury might last permanently and other causes can be treated. As u already on treatment, I advice you to continue the same. Also, - Bed rest in dark, quiet room. - Inj. Calmpose l mL(10 mg) IM twice daily ( if episodes are repeated) - Inj. Stemetil 1ml I.M stat - Avoid excessive salt and water - Avoid jerky movements. - Do labyrinthine exercises after the giddiness stops. Hope I have answered your query. Let me know if I can assist you further. Get well soon. Regards, Dr. Yogapriya V, General and family physician.