Cat prohibition powder is a hormonal drug. If cats consume it for a long time, it will cause internal side effects such as decreased kidney function, pyometra, decreased internal liver function, and diabetes. It can also cause vomiting and diarrhea, loss of appetite, blood in the stool, etc. Obvious side effects; the anti-estrus powder can only suppress a cat's estrus for a short period of time, but it can block a cat's estrus for a long time and is safe for sterilization.