It is difficult to tell you a specific answer. Vertigo can arise from a multitude of processes. It can arise from an inner ear electrolyte imbalance, viral infection of the inner ear, stoke, verterbral-basilar insufficiency, tumor, waxy ear canals, etc. There are several tests that a neurologist can do to begin to elucidate the possible processess. The test the neurologist will likely do is called the Hillpike-Dix test and this is where he/she will quickly take you from a sitting position to a lying down position while turning your head either right or left. By noting how your eyes react to this, he/she will be able to tell if the vertigo is from a peripheral (outside the brain) or central (inside the brain) cause, with the inner ear located outside the central brain. This together with the clinical history and exam, the diagosis will be pretty much narrowed to a select group of choices.
You will want to tell him/her if you hear a nose together with the vertigo, have associated nausea, headache, falling, vertigo increases with any movement, etc.
I think certain medications should also be considered. I suffered from Vertigo for some time. I was taking Voltaren to treat headaches. Then a neurologist changed my medication for about 2 weeks. Immediately after returning to the Voltaren I had another attack and I then realized that in the 2 weeks while I was on another medication I never had an attack. I quit taken the Voltaren and have not had another episode since.
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