Viagra, Cialis, and Levitra have varying side effects, though they are rare and generally mild. However, a recent study found that sildenafil citrate (the active ingredient in the drugs Viagra, Cialis, and Levitra) has been linked to loss of eyesight in some users. Generally the loss of eyesight occurs in one eye, and is a condition called non-arteritic anterior ischemic optic neuropathy (NAION). Although numerous men suffering from NAION have taken sildenafil citrate for sexual dysfunction or erectile dysfunction, it has not been confirmed that there is a cause-and-effect relationship between taking the drug and the condition. People with a high risk of NAION include: • Men with heart disease. • Men over the age of 50. • Those who have diabetes. • Men who have high blood pressure. • Those who have high cholesterol. • Smokers. • Those with other eye problems. If you are taking Viagra, sildenafil citrate, Cialis, or Levitra and have experienced a loss of eyesight, stop taking the drug immediately and consult your physician. Only a licensed physician can be sure if the drug is qualified to assess your loss of sight. The FDA is not currently scheduled to print Viagra warning labels that include a statement about the possible correlation between sildenafil citrate and NAION. This is another great reason why when buying Viagra or sildenafil citrate, your original prescription should be written by your physician. Only a physician can adequately assess an individual’s risk level for experiencing any undesired side effects from Viagra or similar drugs. Only after the original prescription should patients buy Viagra online. Although buying Viagra online can save a great deal of money and is more discreet, it sometimes means those beset by erectile dysfunction may further suffer from lack of a physician’s oversight. For more information about erectile dysfunction, sildenafil citrate, Viagra, or where to buy Viagra online you can visit: www.BuyViagraCheapOnline.com or the Viagra Online Forum.
Source: http://www.ArticlePros.com/author.php?Gerard Hastings Hastings
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