Most pets will vomit occasionally. It happens. When it does, many pet owners will call to ask a local veterinarian for advice about their vomiting cat rather than bring their cat in to the clinic to be seen. I understand this.
But most of the time, veterinarians are in with clients and to be honest they can't really give you advice without having a client-patient relationship.
Go to: Home Care for the Vomiting Cat
I'd recommend that you print this article and keep it handy. You never know when you might need it.
If your cat gets sick and you are worried, please contact your veterinarian.