The invention relates to a cocrystal comprisinga) at least a compound of formula (I),andb) at least a cocrystal forming compound selected from an organic molecule,or a solvate thereof. The invention further relates to methods for obtaining said cocrystals and to their use in the treatment and/or prevention of conditions mediated by H1 histamine receptor, such as allergic disorders or diseases. The invention also relates to a method for increase the aqueous solubility of the above compounds of formula (I).
