There's also another reason experts caution against them: their tracking limitations.

A new trend is spreading on social media. In it, cats are given a collar with a play rod attached to it. Endless fun for the animals, they say. But this is actually bordering on cruelty to animals!

So to really diagnose allergies, it's really a diagnosis of rule outs. You have to make sure the cats are in good flea control, make sure that you're treating all the infections, make sure there's no ...

The unique feline dermatological cases veterinary professionals can see at the clinic, plus how to approach them ...