VN: Is it important to increase inner ear blood flow? Do cognition enhancers work?

I was wondering whether any of you VN sufferers were given medication to increase the blood flow to your inner ear and/or cognitive enhancers?

I was taken ill abruptledly whilst on holiday abroad 15 months ago, and was admitted to hospital for 8 days. I was discharged with the following drugs: Betaserc, Nootropil and Agapurin/Pentoxifyline

I later had the medication translated into English by a native speaker but had already stopped taken them on advise of a  UK GP.

Betaserc: Used to treat Menieres disease - symptoms (dizziness, sickness, vomiting, increased loss of hearing, hearing rustling/distortion). Increases blood circulation within inner ear, whilst decreases the pressure. I think this is the same as Serc/Betahistine in the UK

Nootropil: Increase blood circulation - decreases 'stickiness' of blood - increase blood flow within the brain - without increases the size of the veins. Increases oxygen and use of the sugars within the brain.  Used to reduce dizziness. My GP noted this as a ‘cognitive enhancer’ I’m not sure if this is a ‘smart drug’? Is it safe?

Agapurin: Used to treat to increase blood flow to the brain - dizziness, memory loss, concentration issues. Issues with eyesight, increase bloodflow.

I’m just wondering whether if I had continued this medication, whether it could have improved my condition and helped my problem with sluggish cognition? Does anybody know if it is important to increase blood flow to inner ear when you sustain a vestibular nerve injury? Do you know the science behind it? Could it have sped up my recovery?

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