The invention relates to a pharmaceutical preparation for applying a pharmaceutical agent. According to the invention, the preparation contains: a) a pharmaceutical agent which has an aromatic group or an aromatic part and the molecule of which has a maximum diameter of ≦2 nm b) a permethylated cyclodextrin having a degree of substitution of 3 methyl groups per glucopyranose unit. The permethylated cyclodextrin and the pharmaceutical agent form a complex.