Dear B.C.: This is a very sad story. This poor cat, banished by her own fear of the newcomer to spend most of her time in your basement. It could well have been this emotional stress that brought on her illness, which could be diabetes or cystitis, diseases that make cats want to drink more water.
You might have avoided all of this if you had followed my advice of never letting a cat outdoors to roam free, which could result in exposure to disease or poison, and if you had known the steps to be taken to introduce a new cat, which you can find on my website, DrFoxVet.com.
I would take her for a full veterinary checkup to rule out any stress-induced chronic health issue. Use enzyme cleaners on soiled areas on the basement floor and take the covers off the litter boxes. Many cats detest them because the covers trap excrement odors.
Keep the dogs out of the basement with a barrier gate set with enough space for the cat to crawl under.
Send all mail to firstname.lastname@example.org or to Dr. Michael Fox in care of Universal Uclick, 1130 Walnut St., Kansas City, MO 64106. Visit Dr. Fox’s website at DrFoxVet.com.
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