your experience could have been caused by literally dozens of conditions. some of the possibilities include: stroke; transient ischemic attack (tia); vertigo; syncope; inner ear disturbance; medication side effect; diabetic event; and heart irregularities. i suggest that you start off by seeing your family doctor. that person knows your medical history best and can begin a basic investigation by way of diagnostic testing. additionally the family doctor may refer you to other medical specialists including a cardiologist and neurologist.
what could cause a very sudden onset of nausea dizziness and feeling off balance? no lead in not on any meds. thx! . it's mostly cleared up about 2 hours later. i was driving at onset and when i got out of the car i also had some trouble walking -- fine for a few steps and then i'd stagger for a couple.