How does Viagra work? Viagra is used to treat erectile dysfunction (ED). It decreases ED symptoms by helping you get and keep an erection.Pfizer Canada Inc. It lasts 4 to 5 hours, or longer if you have mild to moderate ED. Its effects often last for 4 to 5 hours. Generic versions of this low-dose form of sildenafil have been available in the U. The first document guaranteed sole production and sale of the substance until , while the second gave Pfizer the exclusive use to treating erectile dysfunction with sildenafil until This, in my view, is the key issue in this appeal.Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles . Lemonaid Sildenafil Best price for generic Viagra when bought in bulk: Optum Store Sildenafil If you are experiencing the symptoms of erectile dysfunction (ED), you may . Sildenafil, sold under the brand name Viagra, among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4] [8] It is also sometimes used .It was initially studied for use in hypertension high blood pressure and angina pectoris a symptom of ischaemic heart disease. A newer form of the medicine that dissolves on the tongue might work faster than the pill that you swallow. They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction ED. It might work longer if you have mild to moderate erectile dysfunction. If you have erection problems sildenafil works by temporarily increasing blood flow to your penis when you get sexually excited.
About sildenafil (Viagra) – what is in viagra that makes it work