How should kidney cancer patients pay attention to their diet?

Kidney cancer is a malignant tumor that affects kidney function. Common symptoms include low back pain, hematuria, and weight loss. Since the kidneys play an important role in the body, they are not only responsible for excreting waste products and regulating electrolyte balance, but are also involved in blood pressure control and red blood cell production. Therefore, a reasonable diet is particularly important for kidney cancer patients during and after treatment. Good eating habits can help maintain nutritional status, enhance immunity, improve quality of life, and also reduce the side effects of treatment. This article explains what patients with kidney cancer should pay attention to in their diet and what foods to avoid.

1. Avoid foods high in salt

Excessive salt intake disrupts the body's fluid balance and may lead to high blood pressure, which is particularly dangerous for patients who already have reduced kidney function. Processed foods and fast food tend to be high in sodium, so it is recommended to minimize your intake of these foods. Common foods high in salt include salty snacks, processed meats and ready-to-eat meals. Herbs and spices can be used instead of salt to add flavor when cooking, but it's best to check with your doctor before using non-traditional herbs.

2. Avoid foods high in phosphorus

Phosphorus is a beneficial mineral, but in patients with impaired kidney function, too much phosphorus may cause bone health problems. Phosphorus-rich foods such as dairy products, nuts, high-protein foods (such as red meat), etc. should be limited based on your doctor's advice. If your doctor is concerned about your phosphorus intake, consider cutting back on these foods.

3. Avoid excessive water intake

Patients with reduced kidney function may face problems with fluid retention, so overhydration may worsen this condition. While it's important to maintain proper hydration, it's recommended to monitor your daily fluid intake to make sure you don't consume too much. Be sure to discuss with your doctor what fluid intake level is right for you.

4. Avoid highly processed foods and drinks

Highly processed foods often contain large amounts of additives and preservatives that are not good for your health. It is recommended that kidney cancer patients eat as little of these foods as possible and reduce their intake of sugary drinks to avoid burdening the kidneys.

5. Avoid consuming alcohol

Alcoholic beverages (such as beer, wine, and spirits) may interact with some cancer drugs, and there is even evidence that drinking alcohol may increase the risk of cancer recurrence and mortality. Therefore, kidney cancer patients should be careful about whether to drink alcohol, and it is best to make decisions under the guidance of a doctor.

In short, kidney cancer patients need to pay special attention to their diet. A reasonable diet can help improve their overall health. Avoiding foods high in salt and phosphorus, and limiting the intake of processed foods and alcohol are important measures to maintain kidney health. Patients should communicate closely with their doctors and develop a suitable diet plan based on their specific condition and treatment plan, so as to enhance the body's resistance and improve their quality of life.

(Click to view an introduction to drugs for the treatment of kidney cancer)

References:

https://www.healthline.com/health/renal-cell-carcinoma/kidney-cancer-diet#takeaway