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As you can see, vardenafil and avanafil work for about the same amount of time — and slightly longer than sildenafil. But tadalafil is by far the longest-lasting of the four ED medications ...
Vardenafil. The active ingredient in Levitra, vardenafil provides relief from ED for four to five hours. Avanafil. Sold as Stendra, avanafil is a newer treatment that provides relief from ED for ...
Here are the most important things to know: Viagra is a proven treatment for ED. While it may not do anything for your intimate experience in terms of libido, it can have incredible effects if you ...
The difference between the vardenafil molecule and sildenafil citrate is a nitrogen atom's position and the change of sildenafil's piperazine ring methyl group to an ethyl group. Tadalafil is structurally different from both sildenafil and vardenafil. Vardenafil's relatively short effective time is comparable to but somewhat longer than ...
Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4] [8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9]
Disadvantages: Vardenafil is typically more expensive than sildenafil. Like sildenafil, it can only be taken once a day. Vardenafil Pros. Vardenafil has several pros, most of which are related to ...
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BUT be careful — like tadalafil, vardenafil, and other phosphodiesterase type 5 inhibitors, Viagra should be prescribed and taken under the medical advice of a healthcare professional.