Viagra, What's the Catch

by Darin Arnett on February 19, 2012

 

Viagra Whats the Catch?

Recent observations have found PDE5 inhibitors such as Viagra, Cialis and Revatio may exhibit undesirable side effects in certain quarters. In clinical trials, common adverse reactions included:
  • Headaches
  • Impaired Vision
  • Blurred Vision
  • Nasal Congestion
  • Indigestion
  • Flushing
Furthermore, the US Food & Drug Administration found Sildenafil could lead to vision impairment. Other studies indicate that this may be caused by damage to the optic nerve resulting from insufficient blood flow. Pfizer, the manufacturers of Viagra, say you shouldn't take Viagra if you:
  • Have had a recent stroke or heart attack
  • Have hereditary degenerative retinal disorders
  • Decreased Liver Function
  • If taking Nitric Oxide donors, organic nitrites and nitrates
  • Impaired Renal Function
  • Have Cardiovascular issues that prevent sexual intercourse generally.


What's Different about ViaDrene?

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Read more about Viadrene here