suhagra 100mg contains Sildenafil Citrate active ingredients. For the treatment of men suffering from erectile dysfunction. The effect of this drug lasts for 4 to 6 hours. suhagra tablet are taken orally with water. suhagra 100 is effective if taken on an empty stomach. This is a powerful medicine to treat Ed. Do not take this medicine if you are suffering from any disease and consult a doctor if you need to take it.