Cialis will always be busy on your body for up to 36 hours and can be a long acting drug. Both the tadalafil and Cialis have been used to treat erectile dysfunction and benign prostatic hyperplasia (BPH), and enhancement of the prostate gland that can cause difficulty urinating. Tadalafil is the generic type of the brand cialis 20 mg. Both medications perform similarly from your system. The FDA has an extremely rigorous process for reviewing medication before they hit on the market, When some patients are worried with how well tadalafil works. This process helps to ensure that generic medications contain exactly the identical ingredients as their brandname counterparts, so that there are differences between them. When you've never tried Cialis before, your physician will probably start you about a minimal dose, such as 2.5 mg or 5 mg. The 20 mg tablet is usually not preferred as it's the potential to create erections which last the full day and may be your highest strength. Some medications might interact with nutrients utilized in grapefruits, and tadalafil is one of them. The active ingredient in Cialis, tadalafil, is divided in the liver by a group of enzymes, however, elements in grapefruits can alter these enzymes process medications and make a build up of tadalafil. This could increase your risk. Cialis is really just a type of medication called a PDE 5 inhibitor that is used as a treatment for benign prostatic hyperplasia and erectile dysfunction. It comes in several distinct doses and may be obtained either daily or as-needed to get erection dysfunction. It's likely that many may have questions as men can afford tadalafil and treat their own ED. Generic tadalafil is more than 50% more affordable than brand name Cialis.