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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does caffeine cause high blood pressure?

does caffeine cause high blood pressure?
Fri, 3 May 2013
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Neurologist 's  Response
Hi,
Yes caffeine in higher doses produce high blood pressure in certain patients .
Caffeine is a central nervous stimulant and can have some positive effects on the human body. Caffeine in low doses is thought to be associated with an improvement in sporting performance, increased alertness and reduction in fatigue potentially lifting a person’s mood. Coffee and tea also contain some antioxidants which have positive effects on heart health.
However, increased amounts of caffeine lead to dependency due to increased tolerance and hence the need for greater amounts to gain the same stimulatory benefits. Heavy users who have to go without can experience withdrawal symptoms such as headaches and fatigue. Too much caffeine can produce restlessness, nausea, sleep difficulties, upset stomach, increased urine production causing dehydration, and cardiac arrhythmias (irregular heartbeats). It has also been associated with elevated blood pressure in sensitive persons.
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  User's Response
janhavi's  Response
It could in some people. I heard yesterday that its a culprit for gastric reflux disease and is bad for diabetics.
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Does caffeine cause high blood pressure?

Hi, Yes caffeine in higher doses produce high blood pressure in certain patients . Caffeine is a central nervous stimulant and can have some positive effects on the human body. Caffeine in low doses is thought to be associated with an improvement in sporting performance, increased alertness and reduction in fatigue potentially lifting a person’s mood. Coffee and tea also contain some antioxidants which have positive effects on heart health. However, increased amounts of caffeine lead to dependency due to increased tolerance and hence the need for greater amounts to gain the same stimulatory benefits. Heavy users who have to go without can experience withdrawal symptoms such as headaches and fatigue. Too much caffeine can produce restlessness, nausea, sleep difficulties, upset stomach, increased urine production causing dehydration, and cardiac arrhythmias (irregular heartbeats). It has also been associated with elevated blood pressure in sensitive persons.