What Happens When A Cat Has Too Much Catnip. Too much of catnip can cause your cat to get a mild upsetstomach. Catnip does not harm your cat and is not addictive so there is no way you can give them too much.

Somecats will respond to catnip by being too playful while other cats remain calmFresh catnip is better than dried catnip. These would seem to be natural limitations on the effects of catnip. In all cases your kitty will be back to the normal mind within 15 minutes.
No unfortunately they do not.
Out of the 3 cats in my life only 1 reacts to catnip and statistics say that only 50 of cats actually react to catnip. The catnip plant has actually been used in people for its antidiarrheal properties. If the answer is yes dont worry because the catnip is completely safe. Theres no evidence that catnip is harmful to cats or young kittens.

