I have vertigo one to two days after strenuous workouts. i was a power lifter and football player up until i was 44-years-old.

Vertigo: There are a number of causes so you will need to get checked by a doctor as treatment is usually determined by the underlying cause. Here is some general information on vertigo and its causes. http://patient.info/health/vertigo-and-how-to-treat-it

Better be checked: see your primary doctor, a simple physical and health status exam with routine tests according to your age would be helpful, might include ECG / blood work or other studies, best wishes