Silagra is a drug designed to treat sexual dysfunction. This medicine is made from the ingredient Sildenafil Citrate. So the effect of this drug lasts for 4 to 6 hours. And if the effect of this medicine lasts for more than 6 hours, consult a doctor immediately. Do not take this medicine if you are suffering from any other disease. Because this drug is only used to treat ED. Visit our site imediz.com and learn about ED pills.