The present invention relates to a stable dry powder formulation of Cefditoren Pivoxil, which is suitable for use as a pharmaceutical composition in the form of an oral suspension product to treat bacterial infections. Further, the present invention also provides a process for preparing such pharmaceutical compositions. The oral taste masked granules of Cefditoren pivoxil, wherein the taste masked granules are prepared by non-aqueous granulation. Typically, the granules comprises of Cefditoren pivoxil, sweetening agent and flavouring agents.