Chocolate/Caffeine: Chocolate contains theobromine which is a compound that is a cardiac stimulant and a diuretic. Symptoms from chocolate can include staggering, labored breathing, vomiting, diarrhea, tremors, abdominal pain, seizures, fever, heart rate increased, arrhythmia, coma, death.

Onions/Garlic: Onions and garlic contain the toxic ingredient thiosulphate. Out of the two, onions are more dangerous. Onion toxicity can cause haemolytic anaemia, where your puppy’s red blood cells burst while circulating in their body. Symptoms include Hemolytic Anemia, labored breathing, liver damage, vomiting, diarrhea, discolored urine. Usually symptoms appear a few days after ingesting onions. Garlic also includes this the toxic ingredient thiosulphate but is less toxic and large amounts would have to be eaten to cause illness.

Grapes/Raisins: As few as a handful of raisins or grapes can make your German Shepherd Puppy ill. Symptoms include vomiting, diarrhea, abdominal pain, and lethargy.

Mushrooms: Certain mushrooms can be fatal. Amanita phalloides is the most commonly reported severely toxic species of mushroom in the US. Symptoms include drooling, abdominal pain, liver damage, kidney damage, vomiting, diarrhea, convulsions, coma, death.

Nuts/Macadamia Nuts: Macadamia nuts along with most other kinds of nuts can cause illness. Their high phosphorus content is said to possibly lead to bladder stones. Symptoms include development of tremors of the skeletal muscles, and weakness or paralysis of the hindquarters. Affected dogs are often unable to rise and are distressed, usually panting. Some affected dogs have swollen limbs and show pain when the limbs are manipulated.