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 ...
Like Viagra, Stendra, and Levitra, Cialis (the brand name of the active ingredient tadalafil) is highly effective as a treatment for (ED). But no medication has a 100 percent success rate, and Cialis ...