An adhesive patch is provided wherein the patch includes a porous backing having a front side and a back side. The patch also includes a therapeutic formulation located on the front side of the backing. The backing includes a flexible sheet of water insoluble porous material. The therapeutic formulation includes a combination of a antiviral agent useful for treating a viral infection in a mammal (e.g., human), a medicament that relieves topical discomfort, an adhesive, and a solvent. The solvent can preferably include a fragrance.