My blood pressure goes very sudden and quick to 185/103,iregular heartbeats ,a little dizzy,and after 10 minutes or less it goes down to 164/104,than to 154/94 ,than to 134/73 ,I feel tired after this episodes ,sometimes they come and go for about an hour.I do not take any medication,can anyone tell me if not treated can do damages.Is this called high blood pressure that requires medication?Thank you




