Suggest Treatment For Persistent Dizziness And Loss Of Balance
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Detailed Answer:
I read your question carefully and I understand your concern.
It is unclear from your account whether the doctors have reached some conclusion on the cause of the balance issues. I am saying that as both inner ear issues as well as brain issues like stroke can lead to loss of balance. Having atrial fibrillation you are someone at high risk for stroke. There are other brain conditions which can cause altered balance as well like tumors, neurodegenerative conditions, cerebellar atrophy etc. So a head MRI would be advised if not already done.
In terms of medication when an inner ear issue is suspected medication like meclizine or betahistine is used. Apart from medication it is also important to undergo physical therapy, more specifically vestibular rehabilitation therapy which includes exercises to reduce vertigo.
I remain at your disposal for other questions.