Sheltie that wheeze and hacks.
We have a male Sheltie that about 3-4 months ago started to wheeze & hacks till it like coughs up something and then stops. Nothing has ever come up though. We though it was the deal about floor cleaner solution on the paws and then he would lick them, but we stopped using chemical cleaners. Then we though it was for attention (he's +14 years young) so my wife "babied" him more than me ;) and it didn't do anygood. Any ideas or experiences anyone has had? He's very active for his age and a great protector in our home evenj though he barks "BIG" and wags his tail at strangers. Thanks!