In early January, both my Manx cat and Siberian Husky began drinking more water than usual and were lethargic. The Manx started urinating in places other than his litter box. He's never done that before. Alyeska, the Husky, was dropping huge chunks of fur and vomiting. She does that shedding every spring, but never in January. I took them to our wonderful vet. After some blood work and urinalysis, she said, "Whatever you are feeding them, stop right now." I changed their diet to dry food and table scraps (they love that} and are fine now.