A pharmaceutical composition for administration of Dabigatran zetexilate through the mucous membranes of the oral cavity, characterized in that the composition comprises a therapeutically effective amount of Dabigatran etexilate and a solubilizer for Dabigatran etixilate selected from at least one of a water soluble derivative of tocopherol and a polymeric derivative of sorbitan. The composition may be in the form of solid oral film. The composition may be suitable for dropwise administration. A method of manufacturing the film composition is also included.