If amoxicillin does not resolve dizziness issue and all other tests are normal what could be causing dizziness and occasional spinning sensation.

What other tests? : There are many causes of vertigo. You need to return to your doctor for re-evaluation especially since your symptoms remain

Labyrinthitis, Meds: a couple possibilities: 1) a viral infection that directly affects your vestibular system, called Labyrinthitis, is a common cause of dizziness 2) if you take any prescription medications, you should review their side effects, especially if you have recently started something new. there are quite a lot of commonly prescribed medications that can cause dizziness.