Cooking dough – Raw bread dough made with live yeast can be hazardous if ingested by dogs. When raw dough is swallowed, the warm, moist environment of the stomach provides an ideal environment for the yeast to multiply, resulting in an expanding mass of dough in the stomach. Expansion of the stomach may be severe enough to decrease blood flow to the stomach wall, resulting in the death of tissue.
Rotten food -Spoiled food have mold and other bacteria which can cause serious damage to your dog’s health.
Cooked Bones – While raw bones are beneficial for your dog’s teeth, cooked bones can be dangerous for your pup. Cooked bones are more brittle, which means it is highly likely they might splinter and cause internal injury to your dog.
Cat Food – A little cat food eaten by your dog may not be an issue. However, you feed cat food regularly to your dog, it can cause some health issues. Cat foods usually have higher level of protein and fat which are not healthy for dogs.
Fat Trimmings – Meat fat trimmings, cooked or raw can cause pancreatitis in dogs.
Liver – Feeding liver occasionally might be OK, but do not feed too much liver to your dog. Excessive consumption of liver can adversely affect your dog’s muscles and bones.
Yeast – As mentioned earlier, too much of yeast could rupture your dog’s stomach and intestines.
Dairy Products – Some dogs would be fine with dairy products. However, dogs generally have relatively poor levels of tolerance to lactose which is found in milk. As a result, it can cause diarrhea and other digestive issues.
Alcohol – You should not even let your dog taste any kind of alcohol, let alone consume it in large quantity. The main ingredients used in beer, wine, and other alcoholic beverages are toxics and dangerous for dogs. Alcohol can cause poor breathing, abnormal acidity, intoxication, lack of coordination and even coma and/or death for a dog.
Coffee – Too much Coffee can be poisonous for your dog. Common signs of a coffee overdose include vomiting, tremors, restlessness and rapid heart rate. In severe cases, seizures can appear. It’s possible for dogs to collapse if high amounts of caffeine have been consumed.
Milk – Many dogs especially puppy drink milk. Most dogs may not experience any issues with milk, but some dogs may be intolerant to lactose found in milk. Dogs allergic to lactose may experience upset tummy and other allergic reactions after drinking milk.
Citrus Oil Extracts – Oil extracts from citrus fruits such as oranges, lemons and limes can cause irritation in your dogs digestive system especially if consumed in large quantities. Dogs may experience diarrhea, vomiting, drooling, and trembling.