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Do cats poop out worms after being dewormed?

Yes, after being dewormed, cats may pass dead or dying worms in their stool as the medication takes effect.

Do Cats Poop Out Worms After Being Dewormed?

When you're a cat owner, your furry friend's health is a top priority. One of the most common health issues that cats face is an infestation of intestinal worms—parasites such as roundworms, tapeworms, and hookworms. Deworming is an essential part of treatment, but many owners wonder: do cats poop out worms after being dewormed? The short answer is yes, and understanding why can help you manage your pet’s recovery process better.

What Happens During Deworming?

Deworming medications, also known as anthelmintics, are designed to kill or paralyze internal parasites. These medications start working within a few hours after administration, either by directly killing the worms or causing them to lose their grip on the intestinal wall so they're expelled naturally through the feces.

Common Worm Types in Cats

Understanding which parasites are being targeted is important. The most common types include:

  • Roundworms: Resemble spaghetti and can grow up to several inches long.
  • Tapeworms: Appear as white rice-like segments in the cat’s stool.
  • Hookworms: Tiny and often not visible in feces without microscopic examination.

What to Expect After Deworming

After administering a deworming treatment:

  • Visible worms may appear in feces within hours to a couple of days.
  • The expelled worms may be dead or wriggling, depending on the medication type.
  • The cat may experience mild side effects like diarrhea, mild lethargy, or temporary appetite loss.

This is a normal part of the healing process, and there’s no reason for alarm unless symptoms worsen or persist.

How Long Will Worms Appear?

Worms may continue to appear in the cat’s stool for up to 3 days post-deworming. In some cases, especially if the infestation is severe, it can last a bit longer. Follow-up treatments may be necessary, as some dewormers only kill adult worms and not larvae or eggs.

Hygiene and Cleaning Tips

To minimize reinfection and keep your environment worm-free:

  • Clean the litter box daily.
  • Disinfect floors and surfaces with pet-safe cleaners.
  • Wash your hands after handling the litter box or cleaning feces.
  • Keep your cat indoors during the recovery phase to prevent new exposure to parasites.

When to Contact a Vet

If your cat shows signs of severe illness after deworming, such as vomiting, dehydration, or persistent diarrhea, it’s essential to reach out to your veterinarian. You should also consult your vet if:

  • Worms are still visible after several days.
  • The cat’s behavior changes drastically.
  • You’re unsure if the correct dose was administered.

Preventing Future Infections

Once your cat successfully clears the current infestation, prevention is key:

  • Regular deworming schedule as advised by your vet.
  • Routine fecal exams.
  • Monthly flea treatments to prevent tapeworms (which fleas can transmit).
  • Proper sanitation in the living environment.

Conclusion

Yes, cats do poop out worms after deworming, and it's a natural and expected part of the treatment process. Watching for expelled worms can even be a sign that the medication is working well. With proper care, hygiene, and veterinary support, your cat can recover quickly and live a healthier, worm-free life.

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