Viagra 100mgX90pills

Viagra is used in the treatment of impotence in Men. It starts to take effect in 30 minutes to 1 hour  and its effect lasts for about 4 hours.

Drug Uses
Viagra is used in the treatment of erectile dysfunction. Viagra helps the flow of blood into the male organ and maintains erection while performing sexual activities.
Usage
Viagra is generally taken 30 minutes to 1 hour before sexual activity. Viagra can also be taken 4 hours before sexual activity. The dosage should not increase more than once in a day (24 hours).
Drug Class and Mechanism
Viagra helps to treat impotence in men. It is a phosphodiesterase type 5 inhibitor. Viagra helps increase the blood flow into the penis thereby maintaining an erection during sexual activities.
Missed Dose
Since it is an erectile dysfunction drug, it must only be used when required. So, there are no chances of a missed dose since it is not taken according to a regular dosage schedule.
Storage
Store Viagra at room temperature between 59 and 86 degrees F (15-30 degrees C). Protect it from direct exposure to light, heat and moisture. Keep away from children and pets.