Fever Reducer For Cats. Drugs such as tylenol can be fatal to your cat! Causes of a cat having a fever include infection, injury, disease, medications, immune disorders, or fleas.

Experts suggest putting it in the corner of cat’s mouth to help his/her drink. But you can’t tell if your cat has a fever by feeling for a warm, dry nose, as many people believe. Hylands ferrum phosphoricum can be used for reducing fever.