While Chinese star anise is generally safe for dogs to eat in small amounts, Japanese star anise should be avoided as it contains toxic substances that can cause vomiting and seizures. It is important to be cautious when feeding dogs dried or processed star anise as it may contain a mix of both varieties.
Consuming large quantities of Chinese star anise can lead to poisoning in dogs. Japanese star anise is particularly dangerous and can cause vomiting and seizures. It is important to be aware of the potential risks when feeding dogs any type of star anise.