This article was reviewed by Martin Miner, MD. Cialis, which contains the active ingredient tadalafil, is one of the most popular medications for ED. It belongs to a class of drugs known as ...

Although Cialis and Viagra both make it easier to get and maintain pleasure, there are a few key differences between these two ED medications that may make one a better choice than the other for you ...

Taking the erectile dysfunction drug Cialis while receiving radiation therapy for prostate cancer doesn't seem to help men's sexual function after treatment, a new study finds. About 40 percent of men ...