Sildenafil typically starts working within 30-60 minutes of ingestion and can last for about 4-5 hours, providing a window of opportunity for sexual activity.Increased Dosage: The 100 mg dosage can be more effective for individuals who find the lower doses (e.g., 50 mg) insufficient.Typically, one 100 mg tablet is taken as needed before sexual activity. It should not be taken more than once per day.
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