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Vomiting and Unexplained weight loss in cats: what to do

When these two symptoms appear together, the likely problem space narrows sharply β€” 4 common conditions are strongly linked. Ranked by match, with urgency and home care.

Possible common causes

Hepatic lipidosis (fatty liver)Emergency β€” go nowChronic kidney disease (CKD)See a vet within 24 hoursHyperthyroidismSee a vet within 24 hoursIntestinal parasitesHome monitoring

βœ… Home-care checklist

  • βœ“Note the time of the last meal
  • βœ“Go to the vet immediately (feeding tubes are often needed)
  • βœ“Look for the cause of the anorexia
  • βœ“Increase water (wet food first)
  • βœ“Get kidney values + urinalysis for staging
  • βœ“Transition to renal diets only with vet guidance

πŸ₯ When to see a vet

  • ⚠Barely eaten for 48 hours
  • ⚠Jaundice (yellow gums or inner ears)
  • ⚠Polydipsia/polyuria or steady weight loss over 10
  • ⚠Vomiting + severe lethargy (decompensation)
  • ⚠Eating more + losing weight after age 8

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