It is not just older men who suffer from it either, as the common myth goes. When choosing one, tell your doctor or other health care professional what your preferences are, such as cost, ease of use, how long the drug’s effects last and side effects. Remove the cap by pushing it down and twisting it counter-clockwise. Children 1 year of age and older weighing 20 kg or less—10 mg 3 times a day. Side Effects and Drug Interactions Something that often gets forgotten with the more famous medicines is that they are indeed medicines.Benefits of a daily PDE5 inhibitor Reduces progression of erectile dysfunction. Taking Viagra daily in a small dose is a way to “reduce the intensity of Improves ability to . Maximum dosage: mg once per day. Child dosage (ages 0–17 years) This drug has not been confirmed to be safe or effective in children younger than 18 years. Senior . 25 milligrams (mg) 50 mg mg Typical dosages The following information describes commonly recommended dosages for ED. However, be sure to take the dosage your .