Can Too Much Catnip Make A Cat Sick. Some cats show aggression after exposure to catnip. Catnip causes neurologic changes in cats and is considered a mild hallucinogen.

When eaten however catnip tends to have the opposite effect and your cat mellows out. They purposely said check to make sure your cat doesnt have a negative reaction to catnip. Eating too much catnip can make your cat sick too.
Yes some cats can get sick from catnip.
A large amount of ingested catnip may cause vomitingdiarrhea. Catnips allure is in its volatile oil specifically one chemical in that oil. This is usually mild and self-limiting. About one cat in two inherits a sensitivity to the herb.

