Revatio is a Medicine Which is used to improve the high blood pressure in the blood vessels between the heart and lungs and improve people's exercise ability. Buy Revatio Online and Take each dose four to six hours but it is injected only in hospitals under the guidance of doctors and experts. You can take this tablet empty stomach or with food. Children don't use this tablet and Adults or 18+ above years are taking only 20mg 3 times in a day. Keep this medicine away from moisture, heat, and container at room temperature. Do not use & store expired medications.