Abstract: A method is provided for delaying the onset of ejaculation in an individual. The method involves administration of a 5-HT.sub.3 receptor antagonist within the context of an effective dosing regimen. The preferred mode of administration is transurethral; however, the selected inhibitor may also be delivered via intracavernosal injection or using alternative routes.

Abstract: A method for treating peripheral vascular disease (PVD), related vascular diseases, and vascular impotence associated with such diseases, is provided. The method involves transurethral administration of a pharmaceutical formulation containing a selected vasoactive agent within the context of an effective dosing regimen. Preferred vasoactive agents are vasodilating agents selected from the group consisting of naturally occurring prostaglandins, synthetic prostaglandin derivatives, and combinations thereof. The pharmaceutical formulations used in conjunction with the novel method may also contain enzyme inhibitors, transurethral permeation enhancers, carriers, preservatives, surfactants, and the like. Kits and pharmaceutical formulations are provided as well.

Abstract: A method of treatment for impotency is provided. The method involves the administration of nitric oxide by a nitric oxide-releasing agent capable of providing a penile erection-inducing amount of nitric oxide to the corpus cavernosum of the penis of an impotent male animal. Also provided is a nitric oxide delivery means for use in the method.

Abstract: Methods and formulations for treating female sexual dysfunction are provided. A pharmaceutical composition formulated so as to contain a selected vasodilating agent is administered to the vagina or vulvar area of the individual undergoing treatment. Suitable vasodilating agents include naturally occurring prostaglandins, synthetic prostaglandin derivatives, endothelial-derived relaxation factors, vasoactive intestinal polypeptide agonists, smooth muscle relaxants, leukotriene inhibitors, pharmaceutically acceptable salts, esters and inclusion complexes of any of the foregoing, and mixtures thereof. The novel formulations are also useful for preventing the occurrence of yeast infections, improving vaginal muscle tone and tissue health, enhancing vaginal lubrication, and minimizing excess collagen deposition. A clitoral drug delivery device is also provided.