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Drinking noticeably more and Unexplained weight loss in cats: what to do

When these two symptoms appear together, the likely problem space narrows sharply β€” 2 common conditions are strongly linked. Ranked by match, with urgency and home care.

Possible common causes

Chronic kidney disease (CKD)See a vet within 24 hoursFeline diabetesSee a vet within 24 hours

βœ… Home-care checklist

  • βœ“Increase water (wet food first)
  • βœ“Get kidney values + urinalysis for staging
  • βœ“Transition to renal diets only with vet guidance
  • βœ“Log water intake and litter-clump changes
  • βœ“Move to low-carb wet food structure (with vet guidance)
  • βœ“Get a glucose curve + urinalysis

πŸ₯ When to see a vet

  • ⚠Polydipsia/polyuria or steady weight loss over 10
  • ⚠Vomiting + severe lethargy (decompensation)
  • ⚠Increased drinking/urination + weight loss
  • ⚠Walking on hocks (neuropathy sign)

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