What are the side effects of antibiotics in cats, and should I be concerned if my cat is refusing food and seems lethargic?

My cat has been on antibiotics for a couple of days, and I've noticed she's become lethargic and is refusing to eat. I'm worried these might be side effects of the medication, but I'm unsure how serious this is. Is a lack of appetite and low energy normal in this situation, or should I contact the vet right away?

Answer

It's concerning that your cat has become lethargic and is refusing to eat after starting antibiotics. These could be side effects of the medication, and it's important to monitor her closely.

  • Antibiotics can cause changes in appetite and energy levels.
  • Monitor your cat's symptoms and overall behavior closely.
  • Contact a vet if symptoms persist or worsen.

While some mild changes in behavior can be common when a pet starts new medication, significant lethargy and a refusal to eat are important to address. Antibiotics can sometimes lead to gastrointestinal upset in cats, causing decreased appetite and energy. It's important to ensure your cat is drinking water and try offering tempting foods like small pieces of cooked chicken or wet food to stimulate her appetite.

If her symptoms aren't improving or are getting worse, it’s best to consult your veterinarian as soon as possible. It's always better to be cautious with any changes in your pet's health.

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

  • Can antibiotics cause my cat to lose her appetite?

    Yes, antibiotics can sometimes cause gastrointestinal discomfort, leading to a decreased appetite. It's important to keep an eye on her eating habits and consult your vet if the situation doesn't improve.

  • What should I do if my cat becomes very lethargic?

    If your cat is unusually lethargic, it's crucial to consult your veterinarian. They can determine if the medication is the cause or if another issue is contributing to her lethargy.

  • How long should I wait before contacting the vet?

    If your cat continues to refuse food or remains lethargic after a day or two, or if these symptoms worsen, contact your veterinarian promptly to ensure her health and well-being.

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

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