fildena 25 mg can be used for treating erectile dysfunction amidst man. It also treats pulmonary arterial hypertension (PAH) and finally raises the exercising capacity in men as well as women. This drug helps the muscles that are found around your blood vessel’s walls to relax, thus growing the blood flow to specific areas of your body. It is a phosphodiesterase type 5 Inhibitor that helps to relax as well as expand the blood vessels in the body. It helps to enhance the flow of blood in certain parts of the body.