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Onions, Garlic & Allium

Garlic: Safe for Dogs and Cats?

ToxicDogs

Garlic is several times more potent than onion at the same weight and can cause the same red blood cell damage and anemia in dogs.

Toxic principle: N-propyl disulfide and related organosulfur compounds (oxidative red blood cell damage)

Watch for

  • lethargy
  • pale gums
  • elevated heart rate
  • weakness
  • reddish or dark urine
  • vomiting
  • collapse
Full dog guide for garlic
ToxicCats

Cats are highly sensitive to garlic's red blood cell damaging compounds, and certain dog breeds and individual cats may be at even greater risk.

Toxic principle: N-propyl disulfide and related organosulfur compounds (oxidative red blood cell damage)

Watch for

  • lethargy
  • pale gums
  • elevated heart rate
  • weakness
  • reddish or dark urine
  • vomiting
  • collapse
Full cat guide for garlic

This page is for informational purposes only and is not veterinary advice. Always consult your veterinarian about your pet's diet and health.

Read our methodology for how every verdict is sourced and reviewed.