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Vomiting in cats: is this normal (or worrying)?

The question is simple: should we worry?

I like Too Cat has looked into this subject and gives you some advice!

What to do with a cat who vomits?

If your cat vomits only once and there is nothing unusual in his behaviour or health and he immediately returns to his normal state, then there is a good chance that your cat will be fine.

However, if the vomiting continues and you notice other worrying signs (which we will discuss in the next paragraph), then you should keep him at home and carefully monitor his other changes. In case of doubt, do not hesitate to consult a veterinarian.

Note: If a cat regurgitates hair, this is a normal phenomenon resulting from grooming and is necessary for its digestive system. But this is not vomiting.

Your cat has vomited: what are the signs to watch for?

Your cat has vomited and his behaviour becomes suspicious, it is important to observe him well and keep an eye on him, to take him to the vet if necessary.

What changes need to be observed and which should be of concern to you:

  • Continuous vomiting (several times during the day or for more than one day)
  • Your cat does not eat regularly or has changed her appetite
  • Changes in consumption habits (e. g. no longer drinking water)
  • Change in stool or stool frequency to go to bedding (e.g. diarrhoea or increased frequency of urination)
  • Presence of blood in the vomit
  • Weakness / Lethargy / any sign of poor health
  • Any changes in grooming (e. g. more frequent grooming)

If you notice any of these symptoms in addition to the first vomiting, it is best to contact your veterinarian. Indeed, it is better to be informed than to be worried.

If you need to take your cat to the vet, also check the checklist in the next paragraph.

Checklist of information to give to your veterinarian (checklist)

However, if you should bring your cat to your veterinarian, it is important to give him as much information as possible.

Here is a shortlist of things to remember.

  1. What vomit looked like (colour, smell, unusual objects, hair): it is best to take a picture of the vomit
  2. When did he start vomiting, how many times and when was the most recent episode: write each event in a notebook to be exhaustive
  3. Any medication your cat is taking
  4. Any change in your cat’s environment (e.g. a new cat in the neighbourhood, new plants in the house or garden)
  5. Any recent changes in your cat’s diet (change of food brand, special cookie…)
  6. Any other recent changes in behaviour or health
  7. If your cat has diarrhoea, try bringing a sample to speed up the analysis (I know it’s unpleasant, but it can speed things up).
  8. Any recent accidents or falls
  9. Any new toys or objects of interest they may have

With this information, your veterinarian will be helped with his diagnosis, which will greatly help your cat to recover faster.


As in humans, your cat may have a specific problem and is induced to vomit. If the problem does not persist and has no associated symptoms, there is no need to be alarmed. If you are concerned, contact your veterinarian for more information.

If, on the other hand, vomiting is repeated and/or associated with other symptoms such as those described in this article, then contact your veterinarian as soon as possible.

Important note :This article does not replace the opinion of your veterinarian. If you have any doubts about your cat’s health, consult your veterinarian.

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