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.
Decongestants can temporarily relieve nasal congestion, but also slightly raise blood pressure during their usage - especially with decongestants containing the ingredient pseudoephedrine. Due to these small spikes in blood pressure, consult your physician if you have high blood pressure and wish to use decongestants. Decongestant uses. Nasal congestion has many different root causes, including colds, flu and allergies. You can take decongestants orally (by mouth) or as nasal sprays or drops.