fildena Double 200mg 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 commute as well as expand the blood vessels in the body. It helps to enhance the flow of blood in certain parts of the body.Fildena Double 200mg is in a class of drug called phosphodiesterase (PDE) inhibitors. It treats erectile dysfunction by enhancing blood flow to the penis during physical stimulation. This increased blood flow can cause an erecting. Sildenafil treats PAH by reducing the blood vessels in the lungs to allow blood to flow easily. If you are taking Fildena Double 200mg to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire. Sildenafil does not prevent pregnancy or the perfusion of sexually transmitted diseases such as human immunodeficiency virus (HIV).