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My cat won’t eat (only drinks water): what to do

By Faunexia editorial team Editorial and product

Based on reference sources Anchored to veterinary reference sources (Merck, AVMA, ASPCA, FDA, AAHA, ESCCAP, WSAVA, iCatCare, or others cited). No teleconsult; does not replace assessment of the individual.

Published Updated 4 min

Feline anorexia and thirst: why it is a priority and what to write down before the appointment.

My cat won’t eat (only drinks water): what to do

Key facts

The essentials of the topic before the full article.

Prioridad Un gato que no come 24 h (menos en cachorros/obeso) es prioridad veterinaria.
Observa El ayuno felino puede desembocar en lipidosis hepática; no «esperar a que le pase el antojo».
Evita No improvises remedios humanos ni esperes días si empeora.
Vet Cambio brusco o signos graves: cita veterinaria ya.

A cat that does not eat (especiallyHe doesn't eat and only drinks water, write down volumes and go to the clinic; do not force food or human remedies.

What to do now.Measures time without food, water, vomit, sandbox and energy. Related:vomit · drink little water · sandbox.

Reference:iCatCare; AVMA — cats

My cat doesn't eat, he only drinks water

Drinking without eating does not "compensate" for anorexia. There may be nausea, pain, fever, urinary problem, or systemic illness. Isolated thirst can also increase (polydipsia) in other conditions: the veterinarian interprets both signs together.

  • Write down how long you haven't eaten and how much water you bring.
  • Check for vomiting, diarrhea, litter box (urine/feces) and if he is hiding.
  • Low threshold in kittens, seniors and chronic: do not wait several days.

Warning signs — go

  • Anorexia
  • Straining when urinating or meowing in the tray.

What not to do

  • No miracle syrups or aggressive forced ones without indication.
  • Not human medication.

Based on reference sources.Editorial criteria. It does not replace veterinary care.

Frequently asked questions

My cat doesn't eat, he only drinks water: it's serious

It can be. Feline anorexia is not managed "to see if it goes away": contact the clinic and describe water, vomit and a litter box.

Can I medicate at home

Do not use human drugs or viral tips without veterinary indication.

Does this replace a veterinarian?

No.

Sources

  1. Merck Veterinary Manual — Digestive disorders of cats www.merckvetmanual.com· consulted 2026-08-12
  2. International Cat Care — advice hub icatcare.org· consulted 2026-08-12

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