When some patients are concerned with how well tadalafil works, the FDA comes with a very rigorous process before they hit the market for reviewing generic medication. This process ensures that medications contain exactly the same ingredients because their brand name counter parts, and in order that there are differences between these. If you've never tried Cialis earlier, your doctor will probably start you on a minimal dose, such as 2.5 mg or 5 mg. The 20 mg tablet it is not preferred because it has the potential to create erections which last a day and may be the strength that is maximum. Some medications can interact with nutrients utilized in grapefruits, also tadalafil is one of them. Elements in grapefruits can transform these enzymes process medications and make a build up of tadalafil, although the active ingredient in Cialis, tadalafil, is divided in the liver using a group of enzymes. Fundamentally, this can increase your risk. Both the tadalafil cialis and Cialis have been used to deal with erectile dysfunction and benign prostatic hyperplasia (BPH), and enhancement of the prostate gland which may lead to difficulty urinating. It's likely that most will have questions as more men are able to afford tadalafil and cure their own ED. Generic tadalafil is over 50 percent less costly than Cialis. Tadalafil is the form of the brand Cialis. Both medications function similarly in your system. Cialis is actually just a type of drug known as a PDE 5 inhibitor that is used to treat erectile dysfunction and benign prostatic hyperplasia. It will come in distinct dosages and will be taken either for or daily as-needed erection dysfunction. Cialis will always be active on your body for up to 36 hours and is a long acting drug.