Help your furbaby breathe with ease using PetAlive KC-Defense Granules Kennel Cough Treatment for Dogs & Cats. This homeopathic treatment offers relief from kennel cough and respiratory tract infection symptoms including chest congestion, dry coughs, hacking coughs and sneezing. KC-Defense works by supporting your pet’s respiratory and immune system health. It’s great for use before visits to the vet, kennels, catteries and more—to help address or prevent infection. To use, simply sprinkle on your furry friend’s tongue as directed.