Viagra, Cialis, and Levitra Blindness Class Action Lawsuit

Viagra

Viagra was introduced in 1998 and had $1.68 billion in sales last year. The impotence drug has been used by 23 million men worldwide. There are a growing number of cases where men are allegedly losing their vision due to a condition called nonarteritic anterior ischemic optic neuropathy (NAION) while taking Viagra. There are also reports of intraocular pressure, retinal vascular disease and other eye complications. The drug's label currently has warnings about possible side effects involving eyesight, such as increased sensitivity to light or blurred vision.

Cialis

Cialis (tadalafil) is a similar impotence drug produced by Eli Lilly. One of the main differences of Cialis is that it may work for up to 36 hours after taking the dosage. This has made Cialis a strong competitor for Viagra. There are also a number of cases of men allegedly losing their vision while taking Cialis. The US Food and Drug Administration (FDA) is currently investigating these Cialis cases.

Levitra

Levitra is a prescription medicine manufactured by Bayer AG and GlaxoSmithKline that is also used to treat erectile dysfunction. Levitra is available in 2.5 mg, 5 mg, 10 mg, and 20 mg tablets. The drug is intended to be taken only when needed, but no more than once per day. The FDA is also contacted the manufacturers of Levitra in case there is a problem with the entire class of erectile dysfunction medication.

Viagra Class Action Filed

On June 6, 2005 a class action lawsuit was filed by the law offices of Ronnie Penton and Greg Jones & Associates on behalf of Texas residents against Pfizer on NAION (Non-Arteritic Anterior Ischemic Optic Neuropathy) allegedly caused by Viagra (Sildenafil).

Plaintiffs were unaware of alleged side effects in which a drop in blood pressure restricts the flow of oxygenated blood to the optic nerve causing irreversible vision loss and blindness.

In the News

U.S. consumer group Public Citizen contends drugs to treat erectile dysfunction need stronger warnings on their packaging about the risk of blindness. They claim the U.S. Food and Drug Administration should "immediately add a black box warning regarding the risks of drug-induced blindness for the three phosphodiesterase 5 (PDE5) inhibitors that are prescribed for the treatment of erectile dysfunction." (Oct-23-05) [REUTERS TODAY]

Report from UK Links Viagra to 102 Deaths (Aug-01-05) [NEWS INFERNO]

Viagra's maker, Pfizer revises the ED drug's label while the FDA further warns patients against risk of sudden vision loss attributed to NAION (nonarteritic ischemic optic neuropathy). (Jul-08-05) [WEB MD]

Review of FDA complaints from Viagra users uncovers 140+ cases of partial or total blindness and 800+ patients with eye and vision problems. (Jun-27-05) [CBS NEWS]

A Houston man has filed a lawsuit against Pfizer this week in federal court that claims he suffered blindness after taking the impotence drug Viagra. (June-09-05) [ABC NEWS]

Pfizer faces class action lawsuits after claims that their impotence drug Viagra could cause blindness. Lawyers are ready to build class action cases against Pfizer. (May-31-05) [TIMES ONLINE]

The red flags are being raised on impotence drugs. The immediate impact of specific side effects and their potential lasting effects are raising concers nationwide. (May-30-05) [CNN INTERNATIONAL]

The U.S. Food and Drug Administration is talking to the world's largest drug maker regarding reports of blindness and vision loss associated to the impotence drug Viagra. (May-27-05) [BLOOMBERG]

Researchers have discovered older patients with heart disease risk factors can develop eye problems using Viagra. There are a number of people who have suffered a change in vision within 24 hours of using the little blue pill and the problems can lead to permanent vision loss. (Mar-31-05) [ABC LOCAL]

US drugs regulators have launched an investigation into the health risks of the anti-impotence drugs Viagra after 38 reports of blindness and Cialis after 4 reports. The FDA are investigating cases of users that have suffered optic neuropathy, also known as "stroke in the eye". (May-28-05) [TIMES ONLINE]

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