Along with its effects on the nervous system, coffee can affect other systems of the body including the cardiovascular and urinary systems. Its impact on the latter can help explain its effect on sodium levels. In extreme cases, can cause a severe sodium imbalance.
Does drinking water flush sodium out of the body?
Does coffee deplete your urine?
While mainly water, urine also contains sodium, potassium, and other compounds that can be depleted from the body. The degree of the effect of coffee will vary with the individual.
Does caffeine affect urinary sodium excretion and blood pressure?
Although acute caffeine intake produces moderate diuresis and natriuresis, caffeine increases the blood pressure (BP) through activating sympathetic activity. However, the long-term effects of caffeine on urinary sodium excretion and blood pressure are rarely investigated.