If you experience a prolonged or painful erection for 4 hours or more after you take Generic Levitra call your doctor right away. This condition has need of timely medical treatment to prevent serious and permanent harm to your penis.
There are some conditions that might require long-lasting erections, such as sickle cell anemia, multiple myeloma (a disease of the bone marrow), or leukemia. In have any of these use generic Levitra with caution.
Since the consequences of using this drug have not been evaluated in people with cardiovascular disease, it should be avoided in patients having recently had a stroke or heart failure, or a heart attack within the past 6 months.
Some patients who took Levitra have rarely reported an eye problem called nonarteritic anterior ischemic optic neuropathy (NAION). This may cause decreased vision or permanent loss of vision (e.g. blurred vision, sensitivity to light, and blue/green color tint to vision) in rare cases.
