#2 – Onions & Garlic
While some argue there are benefits to feeding our dogs garlic, the Pet Poison Helpline warns that garlic is actually considered to be even more toxic than onions.
Either way, both vegetables can cause serious problems in our dogs.
Symptoms of onion or garlic toxicity include lethargy, elevated heart and respiratory rates, pale gums, and even collapse.
Next Up: Cherries