Sildenafil, also known as Viagra was the first medicine approved by the FDA (Food and Drug Administration) for the treatment of impotence or erectile dysfunction. It was introduced in the market in 1999 by Pfizer and has influenced the influenced the society in the decisive way.
This medicine is used to treat impotence. Another brand of Viagra is Revatio which is taken to ameliorate exercise capacity in women and men and treat pulmonary arterial hypertension.
This medicine works by increasing the blood flow and relaxing the muscles of the private parts of the body. This medicine was originally used for the treatment of high blood pressure and cardiovascular problems. However, the usage revealed a strange side effect, which was that the people who were experiencing impotence reported that their erectile dysfunction disappeared. So Sildenafil is only effective for sexual stimulation. In other words, taking this medicine will not give an individual erection but it will increase the possibility that he will feel erection once he is sexually aroused.
Viagra can be bought in three doses: 25 milligrams, 50 milligrams, and 100 milligrams. Most of the doctors recommend the dose of 50 milligram pill as beneficial for most of the people. It is true that Viagra can be bought online, consulting a doctor before taking this medicine is strongly recommended. Once taken, the pill generally works 35 to 70 minutes and the erection lasts about 5 hours. However, you should not take more than one pill in 12 hours period.
Some other medicines can cause serious side effects when taken with Viagra, so don’t forget to discuss all your current medications especially including Riociguat. Viagra is not recommended if you are taking nitrate drug, Nitroglycerin, Isosorbide, Dinitrate and Isosorbide Mononitrate for heart ailments or chest pain.
Viagra should not be taken if one is allergic to Sildenafil as it can cause a serious drop in blood pressure which can further lead to fainting, dizziness, and even heart attack. So to ensure that this medicine is fine for you, consult your family doctor about your medical problems especially kidney or liver problem, stomach ulcer, leukemia, sickle cell disorder, Hemophilia, Retinitis Pigmentosa and Peyronie’s Disease.
You can purchase this medicine from a chemist only by using a prescription that you get from your doctor in just $5 to $6. However, it can also be bought online at a very low price. The only problem is that online pharmacies are not trustworthy and Viagra should not be taken without consulting a doctor.
I am self employed. General Practitioner in Melbourne, VIC. My special interest: male reproductive system.