The present invention relates to dilatable medical products that briefly come in contact with the organism, such as balloon catheters, which are coated with at least one layer comprising at least one antiproliferative, immunosuppressive, anti-angiogenic, anti-inflammatory, fungicidal, and/or antithrombotic active ingredient and a transport mediator or a mixture of transport mediators, to methods for coating said coated dilatable medical products, and to the use of compositions for said coating.