Interestingly, Cialis has been more linked to improved self-esteem and other psychological factors than the other PDE5 medications. Though this growth is not cancerous, prostate cancer and BPH can co-occur. Vardenafil usually works for 4 to 5 hours. While each PDE5 inhibitor differs slightly, they’re very similar in treating erectile dysfunction. When taken at the correct time and paired with sexual stimulation, the erection lasts long enough for successful intercourse.Find patient medical information for Cialis oral on MD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. We have good news for you: generic Cialis, used to treat erectile dysfunction (ED)and enlarged prostates, just hit pharmacies. Prices for the generic, known as tadalafil, are more than 50% less than those of brand-name Cialis. As more men are . Generic Cialis Availability. Last updated on Cialis is a brand name of tadalafil, approved by the FDA in the following formulation(s). CIALIS (tadalafil – tablet;oral) Manufacturer: LILLY Approval date: November 21,