A transdermal formulation of dihydropyridine calcium antagonists and specifically nifedipine, nimodipine and nitrendipine. The calcium antagonists are dispersed in a mixed liquid. The mixed liquid comprises varying mole fractions of cis-oleic acid and dimethylisosorbide dispersed in a polypropylene glycol base.
Disclosed is a rapidly soluble film preparation mainly comprising a drug, an edible polymer and a saccharide, a manufacturing method of which is simple, and having high elution rate.
