Carrots are rich in carotenes, which are substances related to vitamin A. They're found in the orange pigments and are good for you, but, if you eat lots and lots of carrots, you can develop a yellowish or orange cast to your skin. It's mostly noticeable on the soles of your feet and the palms of your hands.
Benadryl is another decongestant safe for use in cats, although it is usually not as effective as chlortrimeton in treating congestion. Benadryl is generally more beneficial with treating snake bites, reactions to vaccinations, itching, and insect bites.
Clindamycin is also a pet antibiotic prescribed to cure dental and bone infections in dogs and cats such as gingivitis, periodontitis and osteomyelitis, pus filled infection sites, bite wounds, abscess, post surgery and pneumonia, and respiratory infections. Clindamycin is also used to treat cats suffering from toxoplasmosis.