Thanks for writing your quuery.
You might be suffering from Benign Positional Vertigo
Our ears have a system which help in balance of our body through biochemical process.
It might be a possibility that due to tight slapping, there has occured some changes in the internal ear resulting in disturbance in the normal mechanism leading to feeling of vertigo.
You give complete rest to yourself.
8 mg thrice a day will be helpful in curing your symptoms.
If your problem persists, get yourself examined by an ENT specialist
I hope this is helpful to you.