Hi. I'm Dr. Jessica.
Hartz flea products can be toxic to animals.
When did you put the flea medication on Fred?
Your pet is having a reaction to the Hartz.
You should bathe your cat with Dawn dish soap (blue one with duck on it). Rinse completely.
You cat will need to be seen as needs medications for nausea. If you cannot take your pet to the emergency clinic then you need to take him to your vet on Monday. But it is important to bathe him immediately to get any leftover residue off of him.
You can try canned tuna or chicken, lunch mean such as turkey or chicken
The most important thing is to bathe him
Please also report this incident to the number on the Hartz package.
No you need to get the oil off of him. So you need to bathe him in Dawn. Maybe use your kitchen sink? Hopefully you can sit at that sink to bathe Fred.
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