Erectile dysfunction is the failure to maintain or attain an erection to have a sexual orgasm and ejaculation. There are some contributory factors of erectile dysfunction such as the physiological or psychological factors. Additional pathological causes could be neurological illness, medication use, cardiovascular disease and aging are contributory elements why there are some men experiencing erectile dysfunction.

There are several options of treatment in curing erectile dysfunction. Counseling is one of the effective ways of treating erectile dysfunction especially if the root cause of the erectile dysfunction psychological factor. For instance, if you experience trauma during your first sexual encounter so much so that you have already a negative feeling about sex, this negative feeling about sex cannot be cured by medicine. Other feasible cure for erectile dysfunction is a penile implant which is certainly more expensive.

However, Viagra is a potent drug that can serve as an additional cure for erectile dysfunction aside from what have been mentioned above. Viagra nowadays is branded and marketed under the name of Revatio. Revatio is approved by the Food and Drug Administration in the year 2005 which is intended to cure the Pulmonary Artery Hypertension. It is a medical condition wherein there is tightening of the veins that transport blood to the breathing organs to get oxygen. Viagra or also known as Sildenafil stimulates the maximum production of Nitric Oxide which plays a crucial role in the well being of the body since it helps the blood arteries to be relaxed and consequently improve the blood flow. Viagra also branded and marketed as Sildenafil and Ravatio has been proven to be effective in improving the life's quality and holistic well being of Pulmonary Arterial Hypertension patients.

There are some researchers and experts that Viagra could be a potential cure for children and infants who are suffering from Pulmonary Arterial Hypertension as an effect of congenital heart abnormalities or defects.