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| Sildenafil Citrate |
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| 98% |
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| 139755-83-2 |
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| for health |
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As with all prescription drugs, proper dosage is at the discretion of a licensed medical doctor. The dose of sildenafil for erectile dysfunction is 25 mg to 100 mg taken not more than once per day between 30 minutes and 4 hours prior to sexual intercourse.
ViagraIt is usually recommended to start with a dosage of 50 mg and then lower or raise the dosage as appropriate. The drug is sold in three dosages (25, 50, and 100 mg), The dosage for pulmonary arterial hypertension (Revatio) is one 20 mg tablet three times a day. |
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