oxymetazoline

noun
oxy·​me·​taz·​o·​line | \ˌäk-si-mə-ˈtaz-ə-ˌlēn \

Medical Definition of oxymetazoline 

: a sympathomimetic drug with vasoconstrictive activity that is used in the form of its hydrochloride C16H24N2O·HCl chiefly as a topical nasal decongestant

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