When your dog eats part of an aloe vera plant, his body metabolizes the glycosides with bacteria found in the intestinal tract. … The plant contains a chemical called saponin, which is toxic to animals and children. Ingestion of aloe vera can cause excessive vomiting, severe diarrhea, and low blood sugar.
Furthermore, is aloe vera leaf safe for dogs?
Is Aloe Vera Safe for Dogs? Products containing aloe vera are generally innocuous when used correctly. However, dogs should not be given the whole leaves of the aloe vera plant. The leaves contain saponins, glycosides, and other compounds that are mildly toxic for domestic animals.