You may not know this, but some foods that are good for you might be dangerous to your dog. Chocolate is just one among others. Do you know why? Read through to understand how this food affects your precious dog. 
1. Chocolate can stimulate the nervous system and the heart. Make your dog vomit, increase in thirst, tremors, seizures, restless, increased or irregular heartbeat, increase in body temperature and agitation. 
2. Macadamia Nuts can cause muscle and Nervous system problems to your dog. Possible effects would be vomiting, weakness, tremors, lethargy and increase body temperature.
3. Avocado contains persin which damages the heart muscle. It can result to vomiting, diarrhea and lethargy.
4. Raw Yeast and Bread Dough forms gas in digestive tract; fermentation of yeast causes alcohol poisoning. Possible effects might be vomiting, diarrhea, disorientation, lethargy, distention of abdomen, difficulty breathing, lack of coordination, tremors, coma and seizures.
5. Xylitol which commonly seen on sugarless gum can cause increased insulin secretion, resulting in lower blood sugar levels. This is very poisonous to dogs. Possible effects of xylitol to dogs are diarrhea, vomiting. lethargy, seizures, jaundice and lack of coordination, 
6. Alcoholic drinks can depress the nervous system. Possible effects are vomiting, diarrhea, lethargy, disorientation, lack of coordination, tremors, coma, difficulty breathing and seizures.
7. Onions and Garlic can damage red blood cells which cause anemia. Most probably the effects would be vomiting, weakness, anemia and red-colored urine.
8. Grapes and Raisins can damage the kidney. Increased thirst, lethargy, vomiting and increase in urination are just among other possible effects on your dog. These are the foods that your dog should never eat. You now understand how these food can affect them. So better keep these away from them. :)
