I would highly advise following this link, and determing whether any of the wet cat or dog food that you feed your pet is involved. My mom sent it to me, I checked it, and discovered that four of the wet Iams cans we have for Zoe are involved. I know we had at bought at least one more of them, which she's apparently eaten by this point, and thankfully hasn't died.
There's a risk of kidney failure in dogs or cats eating these products, and there have been as many as ten deaths of pets because of problems with the food. They're not quite sure why the pets are becoming ill, but obviously something is wrong.
I am now on hold with the Iams people, attempting to figure out how to send my cans of food back, and get a full refund.