<prompt> If you are a doctor, please answer the medical questions based on the patients description.hello, i m feeling giddy when i turn my head.This scares me a lot as i loose balance...it usually lasts for a week...all my MRI are fine...i have gone to many neurologist but not able to get rid of this problem.Every 3 months i m facing this problem...i had vertin and stugeron...but still no good results.  <response>: Hi, The symptoms you describe is typically caused by positional vertigo - a condition which is related to vestibular system in your ear. I would suggest you to consult an ENT specialist if you havent seen one yet. You would need careful examination of you ear, test like audio gram Dix Hall pikes test to confirm the cause. Vestibular exercises will help you in the long term. Wish you good luck and speedy recovery. Regards 