Coffee and blood pressure

Many of  us would be unaware of the effect that coffee may be dangerous in hypertensive  people. It is fact that coffee can increase your systolic  and diastolic blood pressure even if you don't have  high blood pressure. Actually coffee contains caffeine that is the main constituent that increase the blood pressure.

Mechanism:
there are many possible mechanisms for  this increase in blood pressure, one is that caffeine block the hormone that  keeps your arteries dilated.Other thinks that is causes release of  epinephrine and nor epinephrine from adrenal glands that cause elevation in blood pressure.


Tolerance to coffee:
It has been observed that some people who drink coffee regularly have high blood pressure than those who drink none, and some people develop tolerance to it with regular intake as a result coffee has no effect on their blood pressure.

Caution:
So, the best advise to people who drink coffee regularly  and have high blood pressure is that they should limit the use of their  coffee intake, or should stop drinking caffeine containing beverages
Also avoid coffee intake during activities that increase your blood pressure or systemic vascular resistance, e.g. physical work,strenuous exercise, weight lifting or physical labor.

Examine yourself:

To see that caffeine is actually raising your blood pressure start checking  your blood pressure after 30 min of drinking a cup of coffee or any other beverage containing caffeine, if blood pressure raises 5-8  points you may be sensitive to the blood elevating effect of caffeine.

Withdrawl symptoms of coffee:
If you plan to reduce your coffee intake than do  it gradually over days to weeks to avoid with drawl head ache.