While some patients have been worried about how well generic tadalafil works, the FDA comes with a very rigorous process before they reach on the market for reviewing drugs. This procedure makes sure that medications contain the same active ingredients because of their brandname counterparts, in order that there are differences between them. When you've never tried Cialis before, your physician will likely start you on a minimal dose, like 2.5 mg or 5 milligrams. The 20 mg pill it is not preferred because it's the potential to create erections which last the day and could be the strength that is highest. Some medications can interact with all nutrients found in grapefruits, also tadalafil is among them. The active ingredient in Cialis, tadalafil, is broken down in the liver using a select group of enzymes, however, elements within grapefruits can alter how these enzymes process medications and cause a build-up of tadalafil. This may boost your risk for experiencing side effects. Both the tadalafil and Cialis have been used to deal with erectile dysfunction and benign prostatic hyperplasia (BPH), and enlargement of the prostate gland which may cause difficulty urinating. It's likely that most could have questions as more men can afford tadalafil and treat their own ed cialis. Generic tadalafil is more than 50 percent cheaper than brand-name Cialis. Tadalafil is the generic form of the brand Cialis. Both medications operate equally in your system. Cialis is just a sort of drug called a PDE 5 inhibitor that is used to treat benign prostatic hyperplasia and erectile dysfunction. It will come in diverse dosages and will be obtained either daily or as-needed for erectile dysfunction. Cialis will stay active in the body for approximately 36 hours and is a long acting drug.