Male erectile dysfunction (ED) symptoms are treated with zudena pills. A Zudena taken 15–30 minutes prior to sexual activity can help reduce the inability to achieve or maintain penile stiffness. The newest oral ED medication, udenafil, works in conjunction with Cialis, Levitra, Viagra, and Stendra (also known as Spedra).

 Zudena is a significant addition to men's sexual health medications because of its distinct pharmacokinetic profile, which combines the advantages of Cialis (tadalafil) and Viagra (sildenafil). In 2011, the main component of Zudena, udenafil, was approved for use in ED patients in Korea. The onset, duration, and PDE selectivity ratio of udenafil differ from those of sildenafil (Viagra) and other phosphodiesterase type 5 inhibitors. Udenafil is unique and competitive with other ED medications due to these pharmacokinetic characteristics. To be licensed for usage internationally, udenafil must undergo trials in a variety of ethnic groups. Nonetheless, based on the data already available and the application's safety in its own nation within eight years, FDA approval appears to be on the horizon.