Effectiveness of Viagra will range considerably. Patients are encouraged to do research to become more knowledgeable about potential risks and side effects associated with using this drug. This might not be an ideal treatment for all, as it can produce serious reactions or complications in people with certain conditions.
It is important that sildenafil be taken according to instruction given by professional doctors. Patients should always follow the directions listed on the prescription label. Taking incorrect dosage, or using the drug for longer than suggested can lead to problems and is not encouraged.
Most men are told to take this between 30 and 60 minutes before engaging in sexual intercourse. Some might need to take it hours in advance. The medicine is not to be used more than one time per day.
The drug is useful for helping men get and maintain erections when they are sexually stimulated. If taken without the man being sexually aroused, an erection is not expected to occur. If during intercourse a person feel dizzy, nauseous, pain, tingling or numbness in various parts of the body they should stop and contact their medical provider as soon as possible. These may be signs of a serious reaction to the drug.