Tens of millions of guys worldwide have used the drugs.
Food And Drug Administration’s Guidance for Patients
The Food And Drug Administration advises patients to stop taking these medications and call a physician or doctor immediately if they experience unexpected or reduced vision loss in one or both eyes.
“Further, patients taking or contemplating taking these products should advise their health professionals if they have ever had severe loss of vision, which might represent a past episode of NAION. Such individuals are at a higher risk of developing NAION again,” says the Food And Drug Administration.
“At this time, it’s not possible to ascertain whether these oral medications for erectile dysfunction were the reason for the loss of eyesight or whether the issue is connected to other variables like hypertension or diabetes, or to a mixture of these difficulties,” says the Food And Drug Administration.
The new labeling information is accessible as well as additional information for consumers and health professionals online.
Food And Drug Administration’s Statement
The Food And Drug Administration’s alarm reads:
“A small amount of guys have lost eyesight in a single eye some time after using Revatio, Cialis, or Levitra. This kind of vision loss is called nonarteritic anterior ischemic optic neuropathy (NAION). NAION causes a surprising loss of eyesight because blood circulation is obstructed to the optic nerve.”We don’t understand at this time if Sildenafil, Cialis, or Levitra causes NAION. NAION also occurs in guys who don’t take these medications.
“FDA has approved new labels for Revatio, Cialis, and Levitra to contain info on possible eyesight loss sildenafil citrate online no prescription – $0.69 per pill (NAION).
“Cease using Sildenafil, Cialis, or Levitra should you got a loss in your eyesight. Get medical help immediately.”
Cialis is advertised by Lilly ICOS. Vardenafil is co – promoted by ScheringPlough and GlaxoSmithKline.
“There were a few things which were included under the ophthalmologic occasions area, which included NAION,” Strupp proceeds.
“The Food And Drug Administration returned and for every one of the supporters there could be precautionary language around NAION,” says Strupp.
Julie Lux, a spokeswoman for ScheringPlough, tells WebMD:
“We support the Food And Drug Administration’s determination to embrace new prescribing information regarding PDE-5 inhibitors [Sildenafil, Cialis or Vardenafil] and NAION.
“We recently received one impulsive report of NAION occurring in a guy taking Vardenafil,” Lux continues.
“It isn’t possible to ascertain whether this event is connected to the usage of Levitra, to the individual’s inherent risk factors for developing NAION, to a mixture of these factors, or to other factors.
Pfizer’s Previous Assertion
A Pfizer representative wasn’t available for immediate comment. On the issue nevertheless, Pfizer issued a news release in late June.