Viagra is intended to treat the erectile dysfunction in male patients. Its aim is to augment the ability of organism to achieve and maintain a sufficient erection. It requires some sexual stimulation.

How Taken

This medication should be taken as needed, about one hour before the planned sexual activity. Nevertheless, Viagra may be taken at any time within the time range from four hours to thirty minutes before the planned sexual intercourse.

Drug Class and Mechanism

Viagra is an inhibitor of phosphodiesterase of type 5. This medication is functioning by supporting the blood flow into the penis for the purpose of achieving and maintaining an erection during the sexual stimulation.

Missed Dose

Since this medicine is to be taken as needed, you are not likely to miss a dose. However, where a Viagra dose is missed, take it as soon as possible. Yet if the time for the next dose is close, you should omit the missed dose and carry on your normal dosing program. Never take a double dose.

Storage

Store Viagra in its original container. The most suitable temperature is 25 degrees C (i.e. 77 degrees F), but it is allowed to store this medication at the temperature from 15 to 30 degrees C (59 to 86 degrees F). Be sure that you keep it away from excess heat, moisture, and light, and out of the potential reach of children.