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.
Sodium benzoate (E211) is another preservative used in a range of pet food products and products for human consumption. Cats appear to have a significantly lower tolerance for benzoic acid compared to rats and mice. At certain doses this preservative may be toxic to cats.oth processed/manufactured pet food and raw 'pet meat' products can contain preservatives. There may be no legal requirement to label pet food products as containing preservatives.