What is the reason for the decrease in potency.
although it can make you last longer, Viagra doesn t get rid of the break your body needs to be able to go again.
Viagra keeps working in your body for up to 5 hours.
The frequency of some side effects increases with the increase in the dose of the drug.
This includes nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate.