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.
Metoclopramide (ReglanÂ®) : Metoclopramide is used to prevent vomiting and esophageal reflux (stomach acid backing up into the esophagus) in dogs, cats, and many other pets. It may aid in the treatment of hairballs in rabbits. It is also used to prevent side effects, such as vomiting, resulting from chemotherapy. Because metoclopramide increases the movement of stomach and intestinal contents, it can affect the absorption of many oral drugs.