TANUN NGAMVICHCHUKORN, M.D.
Nephrologist
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After successfully undergoing a kidney transplant, patients can enjoy a wider variety of foods with more flavor compared to when they were undergoing dialysis. However, it is still crucial to maintain a healthy diet, particularly foods that are good for the cardiovascular system, such as vegetables, fruits, whole grains, and low-fat foods. These can help ensure a long, healthy life.
Foods that are high in fiber low in fat and sodium, and hygienically prepared, such as fresh vegetables, fruits, lean meats, low-fat milk, and whole grains, help prevent complications like high blood pressure, high blood sugar, and weight gain from steroid and immunosuppressant medications.
After a kidney transplant, continuous use of immunosuppressive drugs is necessary. Drinking enough water regularly is also important to prevent dehydration of the kidneys. If you have other coexisting conditions like diabetes, it's essential to control your food intake accordingly.
If you are unsure about the foods you should eat, consult your doctor, caregiver, or nutritionist for guidance on daily nutrition planning.
Patients take immunosuppressive drugs to prevent kidney rejection. These drugs reduce the body’s ability to fight infections, so there is an increased risk of infections. Therefore, special attention must be paid to food hygiene, from preparation to consumption. Always wash your hands after handling food, especially raw eggs or meat, use hygiene gloves while cooking, and be cautious when eating out.
As the body becomes stronger, appetite often increases, sometimes due to immunosuppressive drugs. Therefore, patients should control their food intake. Protein intake should be slightly higher than normal to repair muscles that may have deteriorated during high-dose steroid treatment, then reduced to the normal amount. Focus on quality protein such as lean meats, dairy products, eggs, and legumes.
If notice weight gain, consult a doctor, caregiver, or nutritionist for advice on portion control and daily energy intake.
After the transplant, it's still important to follow a low-salt diet, as certain medications, especially steroids, may cause water retention. Excessive salt or sodium intake can worsen swelling and lead to high blood pressure.
If the transplant is successful and kidney function returns to normal, patients may reintroduce potassium-rich foods like vegetables, fruits, and dairy products. However, the immunosuppressive medications may affect potassium levels in the blood. Consult your doctor about whether you need to limit potassium intake.
Chronic kidney disease patients often have difficulty managing calcium and phosphorus balance, which can affect bone health. Doctors may monitor bone density regularly. Once kidney function normalizes, patients can consume calcium-rich foods like sesame, leafy greens, small fish, and dairy products, unless otherwise directed by their doctor.
Immunosuppressive drugs may lower phosphorus levels, so your doctor may recommend increasing the intake of whole grains, legumes, or dairy products.
Nephrologist