decongestant

As nouns the difference between decongestant and expectorant

is that decongestant is a drug that relieves congestion, eg pseudoephedrine while expectorant is an agent or drug used to cause or induce the expulsion of phlegm from the lungs.

As an adjective expectorant is

causing or assisting the expulsion of phlegm.

is likely misspelled.

has no English definition.

As a noun decongestant

is a drug that relieves congestion, e.g. pseudoephedrine.

As nouns the difference between taxonomy and decongestant

is that taxonomy is the science or the technique used to make a classification while decongestant is a drug that relieves congestion, eg pseudoephedrine.

Congestant is a derived term of decongestant.

As a noun decongestant

is a drug that relieves congestion, e.g. pseudoephedrine.

As an adjective congestant is

that causes congestion.

As nouns the difference between decongestant and levomethamphetamine

is that decongestant is a drug that relieves congestion, eg pseudoephedrine while levomethamphetamine is the levorotatory isomer of methamphetamine, a sympathomimetic vasoconstrictor used in some nasal decongestants.

As nouns the difference between decongestant and xylometazoline

is that decongestant is a drug that relieves congestion, eg pseudoephedrine while xylometazoline is a drug used as a topical nasal decongestant that works by constricting the blood vessels in the nose.

As nouns the difference between decongestant and oxymetazoline

is that decongestant is a drug that relieves congestion, e.g. pseudoephedrine while oxymetazoline is a selective alpha-1 agonist and partial alpha-2 agonist topical decongestant, developed from xylometazoline.

As nouns the difference between decongestant and clenbuterol

is that decongestant is a drug that relieves congestion, eg pseudoephedrine while clenbuterol is (medicine) the decongestant and bronchodilator 1-(4-amino-3,5-dichloro-phenyl)-2-(tert-butylamino)ethanol .