Valif 20 Mg pill is also taken on subordinate degree empty abdomen or with a meal. It ought to be strictly taken as optional by your doctor. The drugs can solely contribution you to induce associate grade erection if you're sexually enthused up. You must take it about one hour before you intend to own sex. The amount of your time it receipts to figure varies from person to person, however it typically takes amid half-hour and one hour. Solely take it if you would like it and it's been prescribed to you by a doctor.