Cialis is a long acting medication and will always be active. Both tadalafil and Cialis are used to treat erectile dysfunction and benign prostatic hyperplasia (BPH), and enlargement of the prostate gland which can lead to difficulty urinating. Tadalafil is the type of the brand Cialis. Both medications operate in the body. The FDA has a very demanding process of reviewing drugs before they reach the market, while some patients are concerned with how well generic tadalafil works. This process makes sure that generic medications contain the identical active ingredients because their brandname counterparts, in order that there are hardly any differences between these. When you've never tried Cialis before, your health care provider will probably start you on a very low dose, like 2.5 mg or 5 mg. The 20 mg tablet is usually not preferred because it has the potential to cause erections that last the full day and may be your maximum strength. Some medications might interact with all nourishment found in grapefruits, also tadalafil is one of them. Tadalafil is separated in the liver by a select group of enzymes, but elements within grapefruits can alter these enzymes process medications and make a buildup of tadalafil. Ultimately, this may increase your risk for experiencing unwanted negative effects. Cialis is a sort of medication called a PDE 5 inhibitor that is used in the treatment of benign prostatic hyperplasia and erectile dysfunction. It is available in unique dosages and can be taken either to get or daily as-needed erectile dysfunction. It's very likely that many could have questions, as more men are able to afford tadalafil and cure their ED. Generic tadalafil is over 50 percent less costly than brand name cialis tadalafil.