Cenforce 200 belongs to the class of medicines known as PDE 5 inhibitors. Sildenafil citrate, its primary ingredient, improves blood flow to the penis and other body regions. An enzyme called phosphodiesterase type 5 attacks a man with erectile dysfunction, disrupting normal blood flow. Cenforce 200 should be taken once every 24 hours. This medicine can be used with or without food. It should be taken 30 to 60 minutes before any planned sexual activity. The half-life of this medicine may be 4 hours.