Can People with Polycystic Kidney Disease Drink Coffee

Kidneys are important blood-filtering system for producing urine and at the same time removing metabolic wastes and toxins. It also have endocrine functions to help regulate blood pressure and red blood cell production.

When kidneys lose the abilities to remove excessive water and wastes, regulating blood pressure and red blood cell count, renal failure develops and there are some diet restrictions for slowing down illness progression and reducing burdens to the kidneys. One diet restriction is coffee and it is better that renal failure patients should cut back coffee intake or eliminate it all together for the sake of their kidney health.

1. Coffee has function to elevate blood pressure

Kidney is important because of its special functions in maintaining our normal life. One of the dominant function of kidney is to regular blood pressure. However, for people with Polycystic Kidney Disease, their kidney may lost its ability to control blood pressure and under such a circumstance, they will suffer from high blood pressure.

Coffee has function to elevate blood pressure, so if Polycystic Kidney Disease patients drink too much coffee, high blood pressure symptom will become more serious. Persistent high blood pressure not only accelerates Polycystic Kidney Disease, but causes kidney damages directly. Therefore, if it it beneficial if PKD patients keep far away from coffee.

2. Coffee increase the loss of calcium

It is said drinking too much coffee will cause osteoporosis. Actually, there is no study indicates the relationship between osteoporosis and coffee, but drinking too much coffee indeed increase loss of calcium.

For people with Polycystic Kidney Disease, because of impaired kidney function, they suffer from high levels of phosphorus easily. High phosphorus restrain the absorption of calcium, so if they drink too much coffee, they will be at high risk of developing bone diseases.

3. Drinking too much coffee will affect sleep

Coffee contains large amounts of caffeine which can keep people in an exciting state, so if Polycystic Kidney Disease patients drink too much coffee at night, their sleep will be affected, which is not beneficial for their recovery.