The invention relates to sheet-like dosage forms dissolving ordisintegrating in an aqueous medium, for releasing at least oneactive substance in a body orifice or body cavity, comprising apolymer matrix in the form of a solidified foam containingspaces or cavities, as well as at least one pharmaceutical orcosmetic active substance, said dosage form being characterisedin that the polymer of said matrix is a polyvinylalcohol-polyethylene glycol graft copolymer. The invention also relatesto methods for producing such dosage forms.
