The reeling of head may be caused by problem with organs that are responsible for maintaining balance. These organs are cerebellum
, inner ear
and posterior columns. Your symptom is more likely to be due to problem with the first two. Since you are hyertensive and a patient of IHD so the chances of minor strokes are high in you. You need to undergo evaluation by a neurologist
and subsequently MRI
scan of the brain will be needed.
Depending on the cause found you will be started on treatment.