Super Tadapox is commonly marketed as a combination medicine for men with erectile dysfunction (ED) and premature ejaculation (PE). as nitroglycerin or isosorbide, because the combination can cause a dangerous drop in blood pressure. Dapoxetine can interact with antidepressants and other medicines that affect serotonin It is generally described as containing tadalafil and dapoxetine, although the exact formulation and strengths can vary by manufacturer and market.