Gave my three-year-old male dog dewormer yesterday, but he’s been vomiting since — should I call the vet?

Yesterday, I gave my three-year-old male dog a dewormer, and since then, he's been vomiting quite frequently. I’m starting to get worried, as he hardly ever has stomach issues. Could this be a reaction to the medication, and is it time to call the vet?

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Answer

Your dog's frequent vomiting after taking a dewormer may indicate a reaction to the medication, and it's understandable to be concerned given his usual digestive health.

  • Monitor your dog closely for any additional symptoms.
  • Ensure your dog stays hydrated to prevent dehydration.
  • Contact your vet if the vomiting persists or if other symptoms arise.

It's not uncommon for pets to occasionally experience stomach upset after taking medication, such as a dewormer. However, if your dog is vomiting frequently, it could be a sign that his body is reacting adversely. We recommend seeking veterinary advice to ensure there are no underlying issues that need addressing.

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

  • How long do side effects from deworming medication typically last?

    Side effects from deworming medicines often resolve within 24–48 hours. If symptoms persist beyond this point, consult your vet.

  • What can I do at home to help my dog feel better?

    Ensure your dog has access to plenty of water and try offering small amounts of bland food like boiled chicken and rice, which is easier on the stomach.

  • When should I be worried about my dog's vomiting?

    Be concerned if vomiting is frequent, if your dog shows other symptoms such as lethargy or diarrhea, or if there's blood in the vomit. In such cases, contact your vet promptly.

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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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