Erectile dysfunction: most patients - 50 mg taken as needed, approximately 1
hour before sexual activity (sildenafil may be taken anywhere from 30 minutes to
4 hours before sexual activity). Based on effectiveness and tolerance, the dose
may be increased to a maximum recommended dose of 100 mg or decreased to 25 mg.
Maximum recommended dosing frequency: once daily. Dose should be adjusted in the
elderly; patients receiving CYP304A inhibitors, and patients with renal
[crcl > 30 ml/min]: No changes.
[<30 ml/min]: Initial: 25 mg, 1 hour before sexual activity.
Specific dosage recommendations not available.
National Institutes of Health, U.S. National Library of Medicine,
DailyMed Database. Provides access to the latest drug monographs submitted to the
Food and Drug Administration (FDA). Please review the latest applicable package insert for
additional information and possible updates. A local search
option of this data can be found here.
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