Sildenafil Citrate may also be used for other purposes not listed above.
Dosage and direction Usually the recommended dose is 50 mg.
Precautions Before you start taking Sildenafil Citrate , tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.
Aged people may be more sensitive to the side effects of the drug.
Contraindications Viagra is contraindicated in patients taking another medicine to treat impotence or using a nitrate drug for chest pain or heart problems.
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Common use The main component of Viagra is Sildenafil Citrate.
Sildenafil Citrate affects the response to sexual stimulation.
It acts by enhancing smooth muscle relaxation using nitric oxide, a chemical that is normally released in response to sexual stimulation.
This smooth muscle relaxation allows increased blood flow into certain areas of the penis, which leads to an erection.
Sildenafil Citrate is applied for the treatment of erectile dysfunction (impotence) in men and pulmonary arterial hypertension.