Low-sodium diet

Definition

A low-sodium diet restricts the intake of sodium, usually to less than 2,300 mg per day, to manage or prevent high blood pressure and reduce fluid retention. It is particularly important for individuals with chronic renal illness to prevent further kidney damage and complications.

5 Must Know Facts For Your Next Test

1. Excessive sodium intake can lead to hypertension, which is harmful for people with chronic renal disease.
2. A low-sodium diet helps in reducing fluid retention, easing the workload on the kidneys.
3. Common foods high in sodium include processed meats, canned soups, and fast food; these should be avoided or limited.
4. Patients on dialysis may need stricter sodium restrictions due to their decreased ability to excrete excess sodium.
5. Reading food labels carefully can help individuals maintain a low-sodium diet by identifying hidden sources of sodium.

Review Questions

• Why is a low-sodium diet crucial for patients with chronic renal illness?
• What are some common foods that should be avoided on a low-sodium diet?
• How does a low-sodium diet benefit patients undergoing dialysis?

Related terms

Hypertension: High blood pressure often exacerbated by high sodium intake.

Fluid Retention: Accumulation of excess fluids in the body tissues that can be minimized by reducing sodium intake.

Dialysis: A medical procedure that replicates kidney function by removing waste products and excess substances from the blood.