If you are taking your own blood pressure, do bear in mind that if you are rushing about, had a cup of coffee just before, talking, all these things will not give you a correct reading and
the blood pressure will be higher than normal.
You need to be relaxed and
not talk when your blood pressure is being taken.
Any stress and anxiety will also increase your blood pressure, so try and avoid stressful situations.
Cut down on your intake of salt which is know to raise blood pressure.