Stage 2 Kidney Care Program

This stage should never be overlooked — it’s time to take it seriously.
Your cat may still look healthy, but early kidney decline may have already begun.
Now is the time to start structured care.

At a Glance

This guide provides supplement, diet, and hydration tips for Stage 2 kidney care.

1. Supplements

At this stage, nutritional support becomes very important.

✔ For cats with stable appetite and energy

  • Dr. Toru Protocol – AIM-based Support
    Supports the body’s natural waste-clearing system and immune balance.
  • Probiotics Protocol – Toxin Burden Support
    Supports gut flora and helps manage toxin load through the gut–kidney axis.

✔ For cats showing reduced appetite or lower energy

In addition to the above supplements, consider adding:

  • Intensive Protocol – Cellular Energy Support
    Helps maintain cellular energy and defense against oxidative stress.
  • Omega-3 (EPA + DHA 100 mg) – Circulatory Support
    Helps maintain circulatory wellness and organ balance.

2. Diet & Hydration

From Stage 2 onward, it becomes important to manage diet and hydration more carefully.

✔ Diet Tips

  • Begin transitioning to a renal-friendly or prescription diet.
  • Choose formulas with controlled protein, phosphorus, and sodium levels.
  • If your cat refuses a renal diet, mix it gradually with the current food to increase acceptance.

✔ Hydration Tips

  • Add about 30 ml (≈ 1 fl oz) of water to wet food or liquid treats two to three times per day.
  • Under veterinary guidance, early use of subcutaneous fluids can also be considered.

3. Routine Checkpoints

At this stage, regular checkups become increasingly important.

✔ Every 3–6 Months

  • Schedule wellness exams with blood tests (Creatinine and BUN).
  • Include an abdominal X-ray under veterinary guidance.

✔ Every Week

  • Weigh your cat under the same conditions for accuracy.
  • Track appetite and activity — sudden changes may indicate imbalance.
  • Watch water intake — a sharp increase may indicate imbalance.

4. Emergency Signs

Seek veterinary attention if you notice:

  • Complete loss of appetite or frequent vomiting
  • Noticeable lethargy or labored breathing
  • Rapid weight loss or sudden dehydration

Reference

According to the IRIS Guidelines, Stage 2 represents a moderate decline in kidney function.
At this stage, kidney function is about 33–66% of normal.
Creatinine levels typically range from 1.6 to 2.8 mg/dL, and BUN is usually between 16 and 35 mg/dL.
Values may vary depending on individual health status and laboratory standards.

Disclaimer

This content is provided for educational reference only and is not intended to replace veterinary diagnosis or treatment.
Always consult your veterinarian for professional guidance, and use Greycoat products as part of a supervised care routine.


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Stories From Cat Guardians

Stage 2 & 3 journeys, including complex cases —
showing how structured routines helped support
steadier, more comfortable days.

Our mission is to advance feline kidney health

— Greycoat Research

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