Sildenafil Citrate Is Generic Viagra

• Sildenafil citrate is the generic name for Viagra, one of the most prescribed medications is the world today. Viagra was first manufactured by Pfizer in 1998. Even though Pfizer still holds the patent to Viagra, sildenacil citrate is manufactured and sold by other pharmaceutical companies. Sildenacil citrate cannot be manufactured at home and, in theory, is available only by prescription.
  
  

Cheminical Composition of Sildenafil Citrate

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  The chemical chemical composition of Sildenafil Citrate is: 5-[2-ethoxy-5-(4-methylpiperazin-1-ylsulfonyl)phenyl]-1- methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one and its formula is C22H30N6O4S.
  
  

What Is Sildenafil Citrate Prescribed For?

• Sildenafil citrate is an oral medication taken in pill form, used for the treatment of erectile dysfunction. It works by increasing blood flow to the male sexual organ. While widely used, sildenafil citrate does have side effects, some of which can be life threatening. Common side effect are headache, heartburn, congestion and vision problems. Rare side effects that require emergency treatment are rash, painful or prolonged erection, fainting or chest pain.