"Hook worm" causes this disease. The symptoms include vomiting, weakness and diarrhea. There are some medicines that are available for fleas so you can give medicines also.
This can be the result of bad food or food allergy so you should change your cat's food and take it to vet as soon as possible.
This can be the result of bad food or food allergy so you should change your cat's food and take it to vet as soon as possible.