treatment- increases your urine output, lowering the blood volume thus lowering your blood pressure.
It consists of pharacologic and non-pharma treatments.
Pharma- example of drugs are = furosemide
Coffee is a diuretic, and so is tea, but they will constrict you blood vessels. So Coconut juice (not the oil) is a better choice of a natural diuretic.
Ask your healthcare provider about these things.