The usual fluid allowance for a person with kidney failure is:

For individuals with kidney failure, particularly those undergoing hemodialysis, fluid management is crucial for maintaining bodily functions while preventing excess fluid accumulation. A typical fluid allowance of 1.0 to 1.5 liters per day aligns with the need to limit fluid intake due to the kidneys' diminished ability to excrete waste and excess fluid.

In hemodialysis patients, while the exact fluid allowance may vary based on urine output, residual kidney function, and other individual factors, the guideline of approximately 1.0 to 1.5 liters helps to prevent complications such as fluid overload, which can lead to hypertension, swelling, and heart problems.

Higher fluid allowances, as seen in other options, generally apply to individuals who do not have renal issues or those who are at different stages of kidney disease with more functional capacity. Therefore, the recommendation for a fluid intake of 1.0 to 1.5 liters is a standard guideline for managing fluid intake in those with compromised kidney function, ensuring their safety and well-being during treatment.