A pharmaceutical formulation in the form of agglomerates comprising a) 60-97% by weight of sugar or sugar alcohols, b) 1-25% by weight of crosslinked polyvinylpyrrolidone, c) 1-15% by weight of water-insoluble, film-forming polymers, d) 0-15% by weight of water-soluble polymers and e) 0-15% by weight of further pharmaceutically customary excipients, the sum of the components a) to e) being 100% by weight.