11/08/2026
Foods and Habits That Can Damage Your Kidneys
1. Too much salt.
Excess sodium can raise blood pressure and force the kidneys to work harder. Long-term high blood pressure can damage the kidneys.
2. Processed meats.
Sausages, bacon, hot dogs and corned beef are often high in sodium and phosphorus. Frequent consumption can increase the burden on your kidneys.
3. Sugary drinks.
Soft drinks, energy drinks and other sweetened beverages can contribute to obesity and diabetes, which are major risk factors for kidney disease.
4. Excessive protein intake.
Very high-protein diets can increase the kidneys’ filtration workload. People with existing kidney disease may need to control their protein intake.
5. Frequent use of painkillers.
Regular or excessive use of medicines such as ibuprofen, diclofenac and naproxen can reduce blood flow to the kidneys and cause kidney injury.
6. Not drinking enough water.
Persistent dehydration can reduce blood flow to the kidneys and increase the risk of kidney stones and acute kidney injury.
7. Excessive alcohol.
Heavy alcohol consumption can contribute to dehydration and high blood pressure, potentially affecting kidney function.
8. Smoking.
Smoking damages blood vessels and can reduce blood flow to the kidneys, increasing the risk of kidney disease.
9. Uncontrolled blood pressure.
High blood pressure can damage the tiny blood vessels that filter waste from your blood and is a major cause of chronic kidney disease.
10. Uncontrolled diabetes.
Persistently high blood sugar can damage the kidney’s filtering system and eventually lead to chronic kidney disease.
11. Unchecked herbal remedies and supplements.
Some herbal products and supplements can contain substances that may harm the kidneys, especially when taken in high doses or combined with medications.
12. Ignoring kidney stones or urinary infections.
Untreated kidney stones can obstruct urine flow, while recurrent or severe urinary infections can spread to the kidneys and cause