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Sildenafil is used to treat impotence in men and can improve the ability to exercise in people with pulmonary arterial hypertension. It is also used to enhance the vasodilatory effect of nitric oxide of the penis thus sustaining an erection. Studies show that this drug cannot cure erectile dysfunction, prevent pregnancy or the spread of sexually transmitted diseases.

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If Sildenafil is for erectile dysfunction it is taken as needed before any sexual activity as prescribed by the doctor. The best time to take this drug is an hour before sexual contact and should be taken only once a day. Sildenafil is taken with or without food. Medication will take longer to effect if medication taken together with a high fat meal. If Sildenafil is used to treat pulmonary arterial hypertension, doctor′s prescription should be followed. It is usually taken three times a day with or without food. Take this drug at around the same time every day, and space the doses about 4 to 6 hours apart. For more detailed information please see label and please consult specialist. Do not take more Sildenafil than it is indicated at the label without consulting your doctor.

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