Viagra and Vision Loss: Myth or Fact

Viagra – the magic blue pill : captured the imagination of the globe when the US Food and Drugs Management (FDA) approved it as the initial prescribed drug for the treatment of erection dysfunction (ED)or male impotence. The results were instant. An estimated 23 million sufferers have already used this drug and almost every one of them have provided positive feedback. The particular male patients suffering from sexual disorder and their partners have portrayed enhanced pleasure due to Viagra.

The particular Controversy

Amidst all the hoopla that will Viagra generated particularly among the impotent men and their partners, there came some disturbing reports of permanent vision loss to some men right after taking Viagra. It all started in 2000 when an University of Minnesota ophthalmologist reported the first case of Potenzmittel vision loss. Seven patients, aged between 50 and 69 yrs, showed typical features of NAION inside 36 hours after taking Viagra.

Non-Arteritic Ischemic Optic Neuropathy (NAION) – also known as “stroke of the vision, ” – occurs when blood flow is cut off to the optic neural, which injures the nerve and results in permanent vision loss. These cases were published in the 03 2005 issue of the Journal of Neuro-ophthalmology.

The experts opined that Potenzmittel regulates a chemical in the body in order to constrict the arteries. This constriction may cut off the blood flow towards the optic nerve – especially in people with a low cup to disk ratio where the blood vessels and nerves are tightly bundled – thus invoking NAION.

FDA’s Take

The FDA is currently investigating 50 cases associated with Viagra vision loss in men who have taken Viagra. In its statement dated July 8, 2005, the particular FDA advised patients “to stop taking these medicines (Viagra, Levitra and, Cialis), and call a doctor or healthcare provider right away if they experience sudden or decreased vision reduction in one or both eyes. More, patients taking or considering having these products should inform their healthcare professionals if they have ever had severe lack of vision, which might reflect an earlier episode of NAION. Such individuals are at an increased risk of creating NAION again. ” The statement further states, “at this time, it is not possible to determine whether these mouth medicines for erectile dysfunction were the cause of the loss of eyesight or whether the issue is related to other factors such as high blood pressure or diabetes, or to a combination of these difficulties. ”

Pfizer’s Take

Pfizer Inc. – the makers of Viagra : has shot back and claimed that none of the 103 clinical trials of Viagra showed any signs of NAION. The experts from Pfizer more observed that all the men were in the age group of 50-69 many years. Almost all had health problems including hypertension, diabetes, high cholesterol, and a history of smoking. These men experienced partial loss of central and/or peripheral vision. The loss wasn’t total, meaning the particular men didn’t go blind, however it was permanent in all cases. A single man described it as “a shade coming down”. One guy had problems in both eyes.
If you treasured this article and you also would like to acquire more info concerning kamagra kaufen deutschland generously visit the internet site.
Within the rest of the men, only one eye had been affected.

Conclusion

We haven’t heard the last word on this controversy yet. However the bottom line is that the doctors are still prescribing, cheap Viagra and the patients nevertheless buy Viagra despite the warning indicators.