Men who are currently using medicines or treatments which contain nitrates, such as nitro-glycerine, should not use viagra because together they can lower the blood pressure too much. Research is underway into the possible effectiveness of viagra for Women, however until the results are known, we do not recommend the use of viagra by women. 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. One tablet about one hour before sexual activity.
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. D irect R esponse M arketing Limited. Processing Centre, Les Autelets, Sark, British Channel Islands.