Levitra is used to treat erectile dysfunction, which is a man's inability to maintain an erection. It works by relaxing muscles in the penis, allowing more blood to flow to it. The active ingredient in Levitra is vardenafil. The medication was first made available in 2003, and in the United States, you can only obtain it with a prescription. Levitra is taken on an as-needed basis, about ...
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Brand Levitra causes widening and relaxation of the blood vessels carrying blood to the penis.