My cat is suddenly vomiting and has diarrhea after I switched her food to a hypoallergenic one—could it be IBS or an allergic reaction?

I recently switched my cat's food to a hypoallergenic formula, hoping it would help her, but she’s started vomiting and has diarrhea since the change. I’m worried that this might be a sign of something like IBS or perhaps an allergic reaction to the new food. Can you help me understand what might be going on and if I should revert to her old diet?

Answer

Your cat's vomiting and diarrhea could be signs of an intolerance or allergic reaction to the new hypoallergenic food or an unrelated issue such as Irritable Bowel Syndrome (IBS).

  • Observe your cat's symptoms closely.
  • Consider reverting to her previous diet temporarily.
  • Consult with a veterinarian for personalized advice.

Switching to a new cat food can sometimes lead to digestive upset, particularly if the transition was sudden. Cats are sensitive to dietary changes, and some may not tolerate certain ingredients in hypoallergenic formulas. It’s essential to monitor her symptoms and, if needed, gradually reintroduce her old food to see if her condition improves. However, this situation could also indicate other issues, like IBS or food allergies, so consulting a vet would be beneficial to identify the root cause and necessary treatment.

If this is an emergency, please seek immediate veterinary care.

Book a consultation with a licensed vet at Dial A Vet for just $49 AUD if you're unsure or symptoms are getting worse.

Frequently Asked Questions

  • What should I do if my cat continues to vomit?

    If vomiting persists or is accompanied by lethargy, inappetence, or distress, seek immediate veterinary attention to avoid dehydration and further complications.

  • How long should I wait before consulting a vet?

    If symptoms do not improve within 24-48 hours or worsen, consult with a veterinarian for further evaluation and assistance.

  • Could this be a sign of a serious allergic reaction?

    Yes, it is possible. If your cat experiences swelling, excessive drooling, or breathing difficulties, seek urgent veterinary care as these could indicate a severe allergic reaction.

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