Is it normal for my brother and sister cats, 8 and 9 years old, to suddenly be fighting all the time?

My brother and sister cats, who are 8 and 9 years old, have always gotten along well until just recently. Over the past few days, they’ve started fighting all the time, which is really concerning for me since they used to be so close. Is this kind of sudden change in behavior common in older cats, or is there something that might be causing this shift?

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Answer

It's concerning when cats who have lived in harmony begin to fight. While some changes in behavior can occur as pets age, sudden and persistent aggression often signals an underlying issue.

  • Monitor for environmental changes or stressors.
  • Consider potential health issues causing discomfort.
  • Intervention may be needed to restore peace.

Cats sometimes fight due to alterations in their environment, health problems, or stress. Common stressors include new pets, changes in routine, or moved belongings. Pain or illness can also trigger aggression, as can changes in hormone levels or cognitive decline as cats age. Observing the cats' behavior and environment can offer clues. If none are evident, a vet visit will help identify potential health issues.

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 are some common causes of sudden aggression in cats?

    Sudden aggression can stem from medical issues, changes in the environment, or stress. Diseases, arthritis, or dental problems can cause discomfort, leading to cranky behavior.

  • How can I tell if my cats are playing or fighting?

    Playing cats often take turns chasing, have relaxed postures, and take frequent breaks. Fighting cats are more tense, might have ears back, hissing, and may not break the interaction.

  • When should I seek help from a vet?

    If this behavior persists, if they injure each other, or if there are other signs of illness, it's essential to consult a vet. A professional assessment will help address any health issues or behavior concerns.

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Disclaimer: The customer and expert messages presented herein may have been altered with artificial intelligence or modified to enhance readability and safeguard the privacy of individuals. This content is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is experiencing a medical emergency, contact your local veterinarian or emergency animal hospital immediately. Talk to a vet now.

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