Oxymetazoline vs. Xylometazoline

Oxymetazoline and Xylometazoline Definitions
Oxymetazoline
A vasoconstricting drug, C16H24N2O, that is used topically in the form of its hydrochloride salt to reduce nasal congestion.
Xylometazoline
A drug used as a topical nasal decongestant that works by constricting the blood vessels in the nose.
Oxymetazoline
A sympathomimetic drug with vasoconstrictive activity that is used in the form of its hydrochloride C16H24N2O·HCl chiefly as a topical nasal decongestant, developed from xylometazoline.