Filagra Double 200mg contains Sildenafil Citrate and is intended for treating erectile dysfunction in men. By increasing blood flow to the penis, it helps in achieving and maintaining firm erections during sexual activity. The benefits include improved sexual performance and enhanced intimacy. However, potential side effects may include headaches, flushing, indigestion, and nasal congestion. It's crucial to use this medication under medical supervision to minimize risks and adhere to prescribed dosages.