Combat the cold an all-natural way with PetAlive Hemeopathic Medicine for Respitory Infections for Cats & Dogs. A unique homeopathic formula helps to safely relieve symptoms of respiratory infections and colds that your best bud may have caught. Acting as a decongestant, the medicine supports easier breathing, lung functioning and nasal decongestion. Five highly diluted substances create this natural spray that’ll aid in your best bud’s unfortunate case of the sniffles.