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What Foods Irritate Kidneys for Polycystic Kidney Disease Patients

Provided by Expert Yang Hongtao on : 2013-12-30 11:17

What Foods Irritate Kidneys for Polycystic Kidney Disease PatientsI have Polycystic Kidney Disease, and I am looking for foods that irritate my kidneys. Yesterday, one PKD patients consult our online service about this question. The following is the answer given by kidney dietitians at kidney healthy web.

Firstly, we would like introduce something about PKD.

If you have PKD, multiple cysts develop in your kidneys. With the expansion of kidney cysts, they will make your kidneys enlarge and replace a lot of normal kidney tissues, resulting in the decline of kidney function or even kidney failure. In this case, food you choose to eat may irritate your kidneys, if chosen mistakenly.

Now, we will tell what foods can irritate PKD patients’ kidneys.

1. Salty foods

Most often, high blood pressure is the first sign and symptom of Polycystic Kidney Disease. If your blood pressure is kept in high level, you should control the intake of salt strictly. This is because sodium can worsen your blood pressure as well as swelling. Bacon, canned foods, processed foods, salty condiments, etc, are high in salt, so you had better avoid them.

2. Oxalate-containing foods

Kidney stone is one common complication of Polycystic Kidney Disease. For healthy people, oxalate won’t cause any problem. However, for PKD patients, kidneys can’t eliminate it efficiently. If extra oxalate deposits in the body, it can stimulate the formation of kidney stone. Spinach, beans, cocoa, green pepper, tea, animal giblets, etc, contains a large amount of oxalate.

3. High-protein foods

It is unwise for PKD patients to take in extra protein, because it can increase the burden on kidneys. Therefore, you should consume correct amount of protein and choose high-quality protein to eat with your doctor’s guidance.

4. Caffeine-containing foods

It is reported that caffeine can affect the growing rate of PKD renal cysts, that is to say, it is a big risk for enlarged kidney cysts. For this reason, you had better avoid caffeine-containing foods and drinks such as coffee, tea, chocolates, colas, etc.

A healthy diet can help treat PKD largely. If you want to get a food list that you can eat and not eat, you can leave a message below. We are glad to give you some personalized suggestions for free.


It is quite hard to fight against kidney disease for a long time. Now, a lot of kidney experts here try to give biggest help for kidney patients. If you have some questions about any kind of kidney disease, welcome to contact us by the following ways.

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