Approximately 40 to 60% of men worldwide struggle to achieve an erection during sexual activity. For this sexual issue, men take Extra Silagra medication. The drug sildenafil, which is present in Silagra, helps men's penis tissues receive more blood flow during sexual activity. Take Silagra medication half an hour prior to sexual activity so that you can enjoy quality time with your companion. Follow your doctor's advice when taking Silagra medication. Eat nothing fatty or drink anything cold while taking this medication. This medication has a six-hour half-life.