Symptoms: Head swimming, mild dizziness , slight buzzing sensation in
I don't see anything serious right now.
Hello and welcome to 'Ask a Doctor' service.
I have read your query and here is my advice.
It is clear that there is nothing serious in your condition after all these tests resulted negative.
However, these symptoms may also be associated with after effects of alcohol (if at all do).
If no lifestyle problems then viral infections, for example, may be a possibility.
In rare cases, neurological conditions in the first stages such as multiple sclerosis may cause such symptoms.
For this just follow up with your Doctor in order to exclude it as a possibility.
Hope you found the answer helpful.
Let me know if I can assist you further.
Thyroid gland function to be evaluated.
Okay then, I think that there is not a serious condition that is causing your issues.
However, another direction to consider is to evaluate your thyroid gland function.
Sometimes thyroid gland dysfunction may result in symptoms similar to yours.
Hope I helped you.