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Never use garlic as a "home treatment" for fleas. It is not effective and can be toxic to your pets! Onions, garlic, chives, and leeks are in the Allium family, and are poisonous to both dogs and cats. Garlic is about five times as potent as onions. Japanese breeds of dogs such as the Akita and Shiba Inu, and cats are particularly susceptible.

Oinions & Garlic are Toxic to PetsOnion and garlic ingestion not only upsets your pets' GI tracts, but also can result in oxidative damage to the red blood cells which makes the red blood cells more likely to rupture. Garlic and onions can cause nausea, oral irritation, drooling, abdominal pain, vomiting and diarrhea.

Other clinical signs of garlic and onion toxicity include:

Here are some of our past articles and tips on Pet Health: