Cenforce D is a pill of Sildenafil and Dapoxetine tablets. The other drug that Cenforced (Sildenafil and Dapoxetine) contains, Dapoxetine, is an antidepressant. What it does is that it increases the level of chemicals like serotonin and norepinephrine in the body. Chemicals like serotonin send messages to the nerves, which results in actions like ejaculation. Dapoxetine is a drug that helps with problems like premature ejaculation.