Aspartame is an artificial sweetener commonly found in sugar-free products such as chewing gum, diet soda, and some human food products. It is not recommended for dogs as it can cause digestive issues such as diarrhea and vomiting.
In extreme cases, it can also lead to seizures and even death. Aspartame should be avoided in dogs and safer alternatives such as natural sweeteners like honey or stevia should be used instead.
Another alternative is to give your dog fruits like apples or bananas as a natural sweet treat. If you suspect your dog has consumed aspartame, contact your veterinarian immediately.