my cat is sick and has been on antibiotics and fluid ...

Is there a strong possibility of trauma (outside cat, sudden onset of illness)?

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Holistic Wellness Care

She is an inside cat , that two weeks ago was out for the night , a week or so later she threw up, then the next day was kind of slow in responding, or meeting me at the door, the third day she drooled was not eating and I took her to the vet.

I dont know if I did this right. two weeks ago she got out and was out for the night. a week later she threw up, I thought it was a hair ball. the next day she was lathargic (spelled wrong) and the day after was not eating and she was drooling, her stool is hard.

Showing signs a week later is a pretty slow reaction for trauma and unlikely. I would image she would be hurting if there was any internal damage done. However, it may be she had a slow bleed somewhere.
Does your vet have an ultrasound machine? This could be used to visualize the abnormality seen in her abdomen.
Even though animals are vaccinated for certain diseases, no vaccine is 100% effective. The animal has to have a competant immune system to build resistance.

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Holistic Wellness Care

she is hurting and tender in her abdomen, Is that a symtom as well of fip??

you did not answer if a needle aspiration to drain the fluid would answer if the cat has fip

Yes, anything is possible with FIP, and abdominal tenderness would be present especially with the effusive form where they can accumulate fluid in the abdomen and/or chest. If she has diffuse fluid build-up in the belly, it would be possible to tap the belly to withdraw fluid for analysis. If this is one possible diagnosis that your vet is considering, here is some more info in FIP:
http://www.vet.cornell.edu/fhc/resources/brochure/fip.html

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Holistic Wellness Care

This is the first time in the three years I have had callie, that she is sick I do not want her to suffer nor do I want to put her down without being sure. if I am slowly getting it, if it is fluid in the abdomen, then it is highly like it is fip. and very unlikly it is anything else. this will be the last time I ask questions. Your answers have given me a way to atleast communicate with my vet. to decide what next to do.

I wrote a reply to you in the wrong section Did you get it? can you read it in the question and answer section. It basically states that if it is indeed fluid in the abdomen most likely fip, unlikely anything else. Is this correct??

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