#$%^&*AU2012101682A420130110.pdf#####ABSTRACT There is provided a solid pharmaceutical preparation of Pimobendan and citric acid for oral administration to a mammal, the preparation including one or more physiologically 5 acceptable excipients, and comprising a therapeutically effective amount of Pimobendan relative to the citric acid in a weight ratio of about 1:5 or less, and the citric acid in an amount of at least 1.3% w/w of the preparation, and wherein the preparation is coated with a taste masking coating. Methods for providing the preparation and for administering the preparation to induce vasodilation and/or treat a heart condition in a mammal are also 10 provided.