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Viagra May Cause Nonarteritic Ischemic Optic Neuropathy (NAION) or Sudden Hearing Loss. If you or a loved one have been injured as a result of Viagra Side Effects you may be entitled to compensation.
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FDA Warning: Erectile Dysfunction Drugs Can Cause Sudden Loss of Hearing

-Wired

10/21/2007 - Seven months after the first indication that erectile dysfunction drugs can cause deafness, the FDA has issued a warning and revised the labels of Cialis, Levitra, and Viagra.

In April of this year, the Journal of Laryngology & Otology published a case report by two researchers at an Air Force hospital in Bangalore, India. A 44-year-old man had suddenly lost his hearing after taking Viagra for 15 days. Since then, other cases have been reported. For most victims, the effects appear to be permanent.

The way that impotence drugs work is well-understood. A chemical called cyclic GMP is necessary for men to sustain an erection. All three erectile dysfunction drugs are designed to halt the activity of an enzyme that chops up that molecule -- allowing it to build up to levels sufficient for sexual activity. However, at this point, nobody knows why the medications also cause some people to loose their hearing.

From the FDA website:

A case report in the published literature of sudden hearing loss in a male patient taking Viagra prompted FDA to search the Adverse Event Reporting System (AERS) for postmarketing reports of hearing impairment for all PDE5 inhibitors. FDA found a total of 29 reports of sudden hearing loss, both with and without accompanying vestibular symptoms (tinnitus, vertigo or dizziness), in strong temporal relationship to dosing with Viagra (sildenafil), Cialis (tadalafil) or Levitra (vardenadil).  Hearing loss was also reported in a few patients in clinical trials of these drugs.  There have also been cases of hearing loss reported in patients using Revatio (sildenafil) for the treatment of pulmonary arterial hypertension (PAH).  Though no causal relationship has been demonstrated, FDA believed that the strong temporal relationship between the use of PDE5 inhibitors and sudden hearing loss in these cases warranted revisions to the product labeling for the drug class.

I wonder if toxicologists will find evidence that a particular gene makes some people suceptible to this fate. Since only 29 incidents have been reported so far, it may be hard to do a full-blown study.

It worries me that the FDA took so long to issue a warning and update the labeling. What concerns me even more is that this warning may never have been issued were it not for a single scientific paper written on the other side of the world.

 

 

 

Ennis & Ennis, P.A. is representing individuals that have been harmed as a result of Viagra side effects. If you or a loved one have suffered as a result of Viagra side effects you may be entitled to compensation. Contact the Viagra attorneys of Ennis & Ennis today for a free confidential case evaluation. Our on staff nurse and lawyers are standing by to answer any questions you may have regarding Viagra side effects, a possible Viagra class action lawsuit, or any other type of Viagra litigation.

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