Your doctor will also learn about your medical history to try to uncover conditions, medicines, or previous surgeries that may affect your sexual health. Vardenafil usually works for 4 to 5 hours. There are no significant differences between these four drugs, other than how long they last and their chemical makeup. If you have a serious physical issue that contributes to ED, you should make sure your mental health is as good as it can be. Avanafil Stendra.Contact us today. New Patients: Established Patients: Request an Appointment. Erectile dysfunction is when a man has trouble becoming or staying . We found doctors who treat Erectile Dysfunction in Miami. Doctors who treat Erectile Dysfunction in this region have an average rating of stars. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called Missing: miami.