Antihistamines (sedating ones) help with dizziness
but it is best you get seen by an ENT specialist
if the dizziness worsens.
Serc or betahistine
upto three times a day will help and clarityn needs to be continued for the itchiness.
Viral infections of the inner ear
is probably what you have that settles in a week but if the dizziness worsens along with fever or other symptoms such as vomiting, please get seen by a specialist.