Father Is 90 Years Old , He Has What He

father is 90 years old , he has what he calles spells . almost daily he has complained of slit dizziness , hot feeling in his head , and he says his legs feel like they have lead weights on them , they last about 5 mintes . his dr doesn't think is anything to worry about and they have done tests and tests . He does worry about it . His blood pressure is normal as we have checked it when he has them . he is on amlodipine and pradaxa .