when i get a cough in the kennel i get a spray bottle and fill it with honey any cough syrup some tcp and glycerin iv got onion s hang ing up all over the kennels it does work trust me . i had a dog with a cough and got him to the vets about 3 weeks later the dog was no better so bac to the vets and still the same after a week some one told me how to make this up and it was gone in a few days .