The present invention provides compositions comprising granulocyte-macrophage colony-stimulating factor (GM-CSF), sucrose octasulfate or sucralfate and hyaluronic acid for the treatment, pre-emptive treatmentor prophylaxis of ulcers, wounds and other injuries to the skin or membranes of the body. Other aspects of the invention are methods of treatment or prevention using the compositions described, as well as an application device for use in the methods provided.