Whipworm Treatment for Dogs

When dogs ingest whipworm eggs from a contaminated environment, they can become infected with whipworms (Trichuris vulpis). Many whipworm infections in dogs may not have obvious clinical signs, but you may notice:1

  • Bloody diarrhea
  • Mucus in stool
  • Dehydration
  • Anemia
  • Even death in severe cases

Stages of the whipworm lifecycle in dogs

Whipworm Lifecycle diagram

Inside the dog’s large intestine, adult whipworms live and release eggs.

Eggs are released in feces 74-90 days after infection.

Eggs contaminate the soil in your yard, where they may persist for years.

Invisible to the naked eye, larvae develop in the eggs and become infective in 9-21 days.

Contaminated soil on toys or dog’s paws may put the dog at risk of infection if embryonated eggs are ingested.

After ingestion, larvae hatch from eggs and are released into the gastrointestinal (GI) tract, penetrate the intestinal wall, develop for 2–10 days, and then move to the cecum where they mature into adults.

Learn about controlling whipworms