-It could be if your cat has eaten more than it normally does.
-Your cat might have eaten a bug.
-The food your cat ate could not be digested.
-Sudden change of diet.
-Chewing of grass.
-Undigested prey.
-Food allergies.
-Reaction to medication.
However, if your cat has continuously been vomitting for nearly a week and does not stop, then you immediately need to take it to the vet, as there can be some serious health problem too, such as liver failure, cancer or diabetes.
