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(346) 766-0996

Renal Source

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5 Stages of kidney failure

Stage 1

  • There is evidence of kidney damage (e.g., proteinuria, abnormal imaging, or structural abnormalities) even though overall kidney function appears normal.


  • Patients might have few or no symptoms.


  • Early detection is critical for managing underlying causes such as diabetes or hypertension.

Stage2

  • Mild loss of kidney function.


  • Often still few symptoms, but subtle changes (like slightly raised blood pressure or minimal proteinuria) may be present.


  • Management focuses on mitigating risk factors and slowing further progression.

Stage 3

  • Noticeable decline in kidney function.


  • Symptoms may include fatigue, fluid retention (leading to swelling, particularly in the legs), and changes in urine output.


  • More intensive management is required to control blood pressure, blood sugar, and to limit further damage from other conditions.

Stage 4

  • The loss of kidney function is severe.


  • Symptoms become more pronounced, which can include severe fatigue, significant fluid retention, high blood pressure, and electrolyte imbalances.


  • Preparations for renal replacement therapy (dialysis or kidney transplant) typically begin during this stage.

Stage 5

  • The kidneys are functioning at less than 15% of normal.


  • Life-sustaining treatments such as dialysis or a kidney transplant become necessary.


  • Patients usually experience a more significant decline in overall health and quality of life, with complex management needs. 

Renal Source LLC

440 Louisiana Street, Houston, Texas 77002, United States

(346) 766-0996 ex. 101

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