Originally Posted by gigismom
thanks for the replies.... my cat was acting increasingly strange (laying around, making frequent trips to the litter box, peeing on my daughter's back pack) so we took him to the vet. ...
I feel extremely horrible even allowing this thought to cross my mind so please don't scold me for it.... I need info on this condition and support if anyone has btdt....
Definitely with those new symptoms...straining, odd physical behavior, frequency of litter box visits...thats medical!
I know some information from my experience with FUS, and it so happens that persians seem to have higher incidence of calcium oxalate crystals! Which I've heard about occasionally (though not as much as FUS).
The condition FUS involves struvite crystals...sometimes larger struvite crystals can form, however usually you don't see that kind of crystal form unless the food is really bad quality or the cat is fed table scraps because to form struvite crystals you need a high urinary PH. So, you find nowadays most good quality cat foods give a very acidic PH, because in general it's better to have a low urinary PH because that prevents the vast majority of urinary issues (specifically FUS or urinary crystals) in cats. Struvite stones can form in some cases in cats, generally in younger animals, though those can be dissolved by urine acidifiers, and you don't see them in a good quality low urinary pH producing diet.
The type of stone that often develops in older animals on good diets (low pH) tend to be the calcium oxalate stones. Because having such a low pH also leaches calcium out of a cats system, and calcium oxalate stones form only in a low pH environment, some cats will form these types of stones as a result of a low pH diet.
Low urinary pH actually prevents FUS from occuring, the weird thing is...in some cats, it causes calcium stones to develop. But, the food manufacturers still maintain a low pH because FUS is much more common than the formation of calcium oxalate stones.
There's a whole host of info http://www.veterinarypartner.com/Con...lx?P=A&A=1741:
|Most calcium oxalate stones develop in cats between ages 5 and 14 years.
35% of cats with calcium oxalate bladder stones have elevated blood calcium (hypercalcemia).
Cats with calcium oxalate bladder stones tend not to have crystals in their urine (while those with struvite stones tend to have struvite crystals in their urine).
Cats with calcium oxalate stones tend not to have bladder infections and tend to have acid urine pH on their urinalysis.
I'm hoping that for your cats sake (and your wallet) that they're not the calcium ones that can only be removed surgically.
As far as the costs go, if you do wind up in that situation I would definitely ask the vet about the long term costs of maintenance. Likely he will have to have more frequent vet visits initially and more urinary tests, etc. If cost is a concern you need to know in advance what would be involved for his future, etc. Obviously, if it's the calcium ones then it's going to involve the surgery which is the big upfront cost.
Anyhow, LOTS of hugs and good wishes for your boy. I can imagine you are so scared and worried about him. There's also something called "care credit" that many people here have used when they've had unexpected medical bills for their pet or themselves.