Cats are obligate carnivores, meaning that their bodies are designed to digest and use only animal-based proteins. This means that cats’ ears are full of bacteria, which can cause ear infections. To prevent ear infections in your cat, it is important to clean their ears regularly. You can do this by using a cotton ball and some warm water or a mild ear cleaner. Be sure to rinse the area well and dry it off before your cat resumes activity. ..