Foods to avoid in case of kidney stones

Can diet help in curing kidney stones?

Diet is the main cause for the kidney stones sometimes. Where the wrong diet can lead to kidney stones similarly correcting it to the right can help heal from it. Drinking sufficient amount of water is essential to prevent or heal from kidney stones. Water helps in flushing out of excess toxins which keeps on accumulating in the body over the time. It is a usual saying of the healthcare professionals to drink as much water from 2 to 3 liters a day or more until there is any kind of kidney failure condition.

Also, Diseases like overweight and hypertension posses more risks for kidney disease. Hence controlling diet and avoiding imbalance or excess of anything, leads to a way of preventing kidney disease. It might not take a single day or a week to control the diet effects on the body. However, opting healthy balanced diet as a change gradually reveals good impacts on our body and effects can be seen within a month or two. Patience and determination of sticking to a planned diet are required to reach the destination of visible effects by diet.

kidney stones


Does the food intake or diet affect the kidney stones?

Yes, food intake affects the kidney stones especially if you are already experiencing it. Knowing which type of kidney stone it is can help in avoiding few foods which lead to that particular kind of stones in the kidneys. Prevention of kidney stones is also possible by avoiding an excess of calcium, oxalate, animal protein, and salts in a diet. Since these are the few main culprits for the kidney stones.

A slight modification of the daily diet might be required to help combat the kidney stone problem.

Following are the few main types of kidney stones:

  • Calcium oxalate stones
  • Calcium phosphate stones
  • Cystine stones
  • Uric acid stones


What are the different foods to avoid in case of kidney stones?

A dietitian with a specialization in formulating a diet for the kidney disease persons can help in preparing a diet plan for the kidney stone prevention.  Following are the few foods to avoid as per the type of the kidney stone:

Preventing calcium oxalate stones and calcium phosphate stones:

Reducing oxalate and ensuring daily calcium dose in diet:

If you are diagnosed with calcium oxalate stones than avoiding few foods is the best thing to do. Calcium is essential for the healthy bones in the body. Besides, daily calcium intake boosts metabolism by binding several substances like oxalates in the stomach during the digestion process. This lowers burden on the kidneys and avoids much accumulation of oxalates in the kidneys and help in avoiding stone formation due to calcium or oxalates. Eating low oxalate or plant-based calcium-rich foods are preferred. Example of such foods includes vegetables, cereals, bread, tofu, soy-based milk, and beans.

You must avoid the following foods to help reduce the amount of oxalate in the urine:

  • Peanuts and peanut butter
  • Nuts and nut butter
  • Garden rhubarb
  • Beetroot
  • Bran fakes
  • Spinach
  • Potato chips
  • Wheat Bran

Reducing sodium in diet:

Eating more sodium lead to more risk for developing stones in the kidneys. We consume sodium in our daily diet as a taste forming substance which is the salt. The excess amount of sodium is mainly present in packaged or canned foods or in different fast foods. It is also main ingredients of the several seasonings and condiments.

Preventing uric acid and cystine stones:

Reducing animal protein in diet:

Excess animal protein posses the risk of developing kidney stones. Excess of animal protein mainly leads to uric acid stones n the body.

Following foods are rich in animal protein hence must take either in a limited amount or should b completely avoided if you already have kidney stones.

  • Eggs
  • Dairy products like milk, cheese, and curd etc.
  • Chicken, beef, pork, turkey, and lamb
  • Fish and shellfish

Eating protein which is plant-based is more recommended to meet the protein requirement of the body. Foods like lentils, beans, soy-based products milk, cheese, Cashews, walnuts, nuts, peanuts, almonds, peanut butter, soy butter, mustard seeds, and sauce, and dried peas have high protein contents serves as excellent sources for avoiding uric acid and cystine stones.

kidney stones

Also, brazil nuts, pine nuts, and sesame seeds are rich in cystine, however, plant-based so can consume as a replacement of animal protein for cystine source. Oats and oatmeal diets is also another healthy renal diet options to replace animal protein intake and balance the nourishment graph in the body and it serves in lowering the cholesterol levels in the body. Beside this overweight people must also take control of their weight which contributes a lot to the production of cystine stones.

kidney stones


Calcium and protein, required by the body daily however if consumed in excess amounts they can burden the kidney for extra elimination and hence can cause kidney disorder by producing stones sometimes. So taking natural and plant-based calcium and protein avoids the problem of stone development and is safe, to consume in balanced proportions in routine as healthy renal diets.

You must consider consulting a dietitian to help in planning a healthy renal diet chart if you are suffering from kidney stones. You must also tell the type of stone you have so that the dietitian can plan a proper balance diet chart keeping in mind which causes of stones to control in the diet.

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