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Polycystic Kidney Disease& Kidney Cysts

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PKD & Kidney Cysts

Polycystic kidney disease (PKD) is a group of disorders that result from the formation and progressive enlargement of cysts in the kidneys without dysplasia, usually leading to renal failure.

Can You Eat Seafood if You Have Polycystic Kidney Disease

2013-07-21 14:30

Can You Eat Seafood if You Have Polycystic Kidney DiseaseSeafood has so many varieties, some of which are good for people with Polycystic Kidney Disease but some others are harmful to eat. Therefore, the answer of whether PKD patients can consume seafood is complex.

What seafood are available for patients with Polycystic Kidney Disease?

If you have PKD, you must be always reminded to take high-quality protein, in order to reduce the burden on kidneys. Fish, along with lean meat, milk and egg while is considered as good protein supplement. In addition, most fish also contains rich omega-3, which is proven to be effective on slowing down the progression of Polycystic Kidney Disease. Here, we would like to suggest black carp and trout for PKD patients.

What seafood are not suitable for these patients?

Polycystic Kidney Disease progresses chronically. As PKD cysts grow, they will replace more and more kidney functioning tissues, causing excess waste products and toxins building up in the blood. For people with Polycystic Kidney Disease, uric acid level raises easily. In view of this, PKD patients are recommended to limit the intake of purine, a great source of uric acid.

Seafood, such as sea cucumber, sea-fish, sea-tangle and seaweed, all contains rich purine. If you have PKD, these foods must be something that you need to avoid. Additionally, when polycystic kidneys are damaged severely, they are unable to remove phosphorus completely, leading to high phosphorus level. However, shrimp and crab are both high in phosphorus, so patients with high phosphorus level should steer clear of these seafoods.


Different patients need different diet plans, even though they have the same size of kidney cysts. For these patients, some seafoods are worth eating, while some others may be harmful. Therefore, consulting the doctor or dietitian is very necessary before eating any type of seafood.

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