Vardenafil, which was formerly sold under the brand name Levitra ... their differences so you can determine which medication ...
The main difference between Cialis and Viagra is how long each lasts ... People with liver or kidney also should discuss ...
(Spoiler: It is.) While generic sildenafil and Viagra are equally safe and effective phosphodiesterase type 5 (PDE5) inhibitors, they have one key difference: price. Viagra costs $90 to $139 per ...