Prescription medication and therapies to treat vertigo include
Antihistamines, steroids, antibiotics and antiviral drugs
Balance therapy, psychotherapy, head position manoeuvre (it is a technique that helps to treat benign paroxysmal positional vertigo)

If vertigo is related to the brain and nervous system, you should consult a neurologist or an ear, nose and throat (ENT) specialist.

Yes, you can use OTC drugs for vertigo treatment. When the vertigo is associated with nausea, antihistamines can be used. Antihistaminic drugs, such as dimenhydrinate or meclizine, are effective in vertigo.

Yes, walking helps to treat vertigo. If walking is done regularly, it helps to increase muscle movement, and the balance systems in the brain learn to function better.

Vertigo can be cured without any treatment and can be a long-term or temporary cause. Some forms of vertigo can lead to mental health issues and may affect the function of the body, but this can be cured using treatment and medications.