Disclosed herein is a novel hemostatic patch that may be used to control and/or arrest bleeding in patients. The patch offers an effective but also minimally invasive way to control and/or arrest bleeding in a patient. The patch comprises a mucoadhesive and a compound that causes vasoconstriction. In a preferred aspect, the patch comprises chitosan and Neuropeptide Y. Also disclosed are methods of using the novel hemostatic patch.