- n.a sympathomimetic drug that constricts blood vessels (see vasoconstrictor). It is applied topically (in the form of drops or a spray) as a nasal decongestant for the relief of the common cold and sinusitis. Toxic effects are rare, but the congestion may worsen transiently when treatment stops.Trade names:Otradrops, Otraspray, Otrivine.
The new mediacal dictionary. 2014.
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