Children should not take Viagra . As with all pharmaceutical products, you should consult your doctor if you have any doubts about whether Viagra is suitable for you. Viagra should only be used once a day. One tablet about one hour before sexual activity. Viagra is generally well tolerated.
Side effects are rare, but if experienced they are usually mild and temporary.
The following is a list of the most common side effects. For more information, see the prescribing information below, or see your Doctor.