Men with erectile dysfunction can be treated with the medication Fildena 150 mg. Sildenafil citrate is a component in this table. This medication acts by supplying the nerves with more blood flow. Take Fildena 150 mg 30 minutes before engaging in sexual activity with your spouse to extend your sexual time together. You can take this medication both before and after a meal. Take this medication as prescribed by a physician. You can take this medication with water as well.