recently i adopted a pet from the pound and here of recent she starts caughing up just a little mucus not much but she does it regularly she doesn't have heart worms and she has had her distemper adenovirus 2 parainfluenza parvovirus coronavirus and bordetella shots she lives inside and i have another dog but he doesn't do it any ideas on the problem
Optional Information:
Age: 1; Female; Breed: bird dog lab mix
Already Tried:
we were giving her vitamins we stopped but it still continued now we are changing her diet thinking that was the problem