An aqueous solution comprising an Acid Addition Salt of ambroxol in an amount of 0.1 to 7 w / V, total content of Polyols and Polyols Selected polialquilenglicoles of at least 20 w / V, total alcohols content is less than 1 w / V and the aqueous solution is lib Re of benzoic acid.

摘要

The present invention relates to an aqueous solution comprising an acid addition salt of ambroxol, wherein the ambroxol content is ranging from 0.1% to 7% (w/v), the total content of polyalcohols selected from polyols and polyalkyleneglycols is at least 20% (w/v), the total content of alcohols is lower than 1% (w/v), and said aqueous solution is free of benzoic acid and/or salts thereof with organic or inorganic bases.