Hi, I have a feeling your cat is having a reaction to something in his food. Vomiting is never good as it leads to dehydration. I don't know what you are feeding(you can send me a message and let me know if you want) but I would switch to a grain-free ultra premium dry cat food such as innova and I would also feed at least one can of soft food a day(fancy feast) is fine. Also keep in mind that if you are using cleaners in your house or carpet powders, any cleaning products that may end up on the floor are certain to end up on your cats feet - thus the cat will clean his feet and ingest this - only a little bit is enough to make him sick.Another problem could be vaccinations - people don't realize and vets don't tell you that reactions to vaccinations can happen even 6 months or later after the fact. People also don't realize that the very disease your cat is vaccinated against can actually be cause by the vaccine itself- this is a fact. The vets make a huge profit on vaccines and don't tell you the truth.I suggest stopping all vaccinations - they really aren't necessary. There are many internet sites that can give you more information.Go to "hazards of pet vaccinations".

Good Luck.

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