All of the above answers are correct, take the cat, i.e.; animal to the vet. However some things to think about that may have cause this and to alert your vet about. Also to safeguard other pets in the home : Have you used a new flea/tick combo shampoo, drip on or new collar with the above mentioned ? If so it may have not been for the correct size animal, or a brand that may cause a reaction in some cats'/dog's, find the box if at all possible and take it to the vet with you. Look to see if there is any open antifreeze or if anyone has flushed a radiator, antifreeze has a taste that animals like and it will kill them. Is there any open chocolate again this is something that can kill your pet and they don't know better so they will eat it. Last but not least never give your dog or cat Tylenol it can kill them. If your cat has not had it's yearly shots tell the vet ASAP as this can be something that can be passed on to other animals in the clinic waiting room. Cats need to be tested for things such as feline leukemia, which can be passed to your cat from wild cats running thru your yard.Look for yearly shot clinics if you do not have a vet you use yearly . Shot clinics are held by vets who basicly donate a weekend of their time and the time of a full staff to try and vaccinate hundreds of animals in one day .I say donate their time as the cost is about $5.00 for rabies and $25.00 for a full set. The goal of this is more than anything, to prevent rabies as it has no cure and can be given to your family thru a bite, salive into an open would, etc. If your area does not do this , get on the phone and on the road and see if you can get a vet in your area in conjunction with the local news , paper and media, to cover the event. They a great community service. All of the above may not have saved your cat (as this question was asked a while back) but I hope it helps on the next pet before or during a problem. T. Canaday, Emergency Livestock Management, Spencer OK