text: <unk>  is a cough suppressant. It is the levo isomer of dropropizine. It acts as a peripheral antitussive, with no action in the central nervous system. It does not cause side effects such as constipation or respiratory depression which can be produced by opioid antitussives such as codeine and its derivatives.
option_0: Levodropropizine
option_1: Dropropizine
option_2: Betanidine
option_3: Methoxyphedrine
option_4: Tolazamide
option_5: Bethanechol chloride
option_6: Ephedrine
option_7: Apomorphine