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.Eye problems reported
There are a growing number of reports of men 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 and blurred vision.Cialis
Cialis (tadalafil) is an impotence drug similar to Viagra, produced by Eli Lilly. One of the main differences between Cialis and Viagra is that Cialis may work for up to 36 hours after ingesting. 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 medications.Viagra, Cialis and Levitra Articles
Viagra Victim Blinded"I was 78 when I first took Viagraâ" the ads on TV made it sound so appealing," says John H. "Viagra promised to rejuvenate your sex life and I fell for it because at that time I wasn't able to do much anyway." Viagra failed to advertise the side affects and now John is pursuing a class action lawsuit because he is legally blind in one eye.
FDA Officer: Viagra Reports Kept Under Wraps
More than 13 months before the Journal of Neuro-Ophthalmology reported that Viagra had been linked to a rare form of blindness, a Food and Drug Administration (FDA) safety officer reported the same findings, based on monitoring the agency's adverse event reporting system.
Viagra Caused Eye Stroke?
One Way to Avoid Blindness: Quit Viagra
Blind Desire
Viagra: Remember What Your Mother Said?
More lawsuits in store for Viagra
Viagra, Cialis and Levitra in the News
OCT-19-07: Viagra, Levitra, Cialis, and Revatio are about to bear new warnings that user may experience sudden hearing loss. The FDA decided to add a warning about the possible risk after counting 29 reports of the problem since 1996 among users of this family of medicines. The impotence drugs Viagra, Cialis and Levitra will bear the warnings. So will Revatio, a drug for pulmonary hypertension, which contains the same ingredient as Viagra. Viagra's label already mentioned hearing loss as a possibility, because a few cases were reported during initial testing of that drug. [YAHOO: VIAGRA HEARING LOSS]AUG-02-07: On July 8, the FDA approved new labeling for Viagra, Cialis, and Levitra to reflect reports of sudden vision loss. That vision loss is attributed to a blockage of blood flow to the optic nerve. [NEWS: VIAGRA, CIALIS, LEVITRA]
AUG-01-07: A man has filed a lawsuit against Pfizer alleging he suffered a stroke in his eye after taking Viagra. The suit claims Pfizer did not warn patients about the risk of vision loss. [POST: VIAGRA]
APR-30-07: Despite drugs like Viagra being linked to serious side-effects, commercials do not always have to list side effects. The ads are called reminder ads, and as long as they do not state what the drug is used for they also do not have to state negative effects. [ NEW YORK TIMES: VIAGRA]
MAY-31-05: 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-28-05: US drug regulators have launched an investigation into the health risks of the anti-impotence drug Viagra after 38 reports of blindness and Cialis after 4 reports. The FDA is investigating cases of users that have suffered optic neuropathy, also known as "stroke in the eye". [
MAY-27-05: 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. [BLOOMBERG: VIAGRA BLINDNESS]