Caffeine
Caffeine, found in coffee, tea, cocoa and some soft drinks, can increase dogs’ heart rate, leading to irregular heart rhythms and lung failure.

Rhubarb
Rhubarb contains oxalic acid, which can cause kidney failure in dogs.

Leeks and onions
Like garlic, onions and leeks can affect dogs’ red blood cells and cause severe anemia.

Alcohol
Alcohol can be fatal to dogs, even in small amounts. It can cause vomiting, poor breathing and poor muscle coordination.

Salt

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