The invention provides a compressed pharmaceutical composition comprisingpolyethylene glycol of molecular weight from 2000 to 4500, wherein thepolyethylene glycol makes up from 80 to 99.5% by weight of the composition,one or more electrolytes for the treatment of constipation, faecal impaction,faecal retention, intestinal gas and cramping, or flatulence； or fororthostatic lavage, colon evacuation or colon cleansing. It has been found,surprisingly, that a compressed pharmaceutical composition comprising PEG forexample a solid tablet, is significantly more palatable than previouslyproposed compositions and is effective when administered. The compressedpharmaceutical composition of the invention comprising polyethylene glycol hasbeen found to have a more agreeable taste and a more agreeable mouthfeel thanpreviously proposed liquid or dry powder or granular compositions.
