It takes time to resolve. Vitamin supplements will help. Audiometry test you can take

Do epleys manoeuver once daily and vestibular rehabilitation exercises

It takes time to get resolve

Hii Usually it may take even 2 weeks- a month to completely resolve .

please do vestibular rehabilitation exercises. Avoid jerky movement of head. It will take time to resolve completely.

It will be very helpful if you can explain the first episode, especially how it started and how long it persisted before the next episode. Since, you mentioned one sided tinnitus it becomes important to know if you have experienced reduced hearing too? Accompanying hearing loss will require more investigations. Hypothyroidism is also known to contribute to some of the balance disorders. In nut shell, it is recommended that you get a thorough examination for your complaints. BPPV is managed with position manouvers and treated with Vestibular exercises. The symptoms gradually resolve over weeks (2-4 weeks). Betaserc is drug of choice for many balance disorders but its role is limited in BPPV.