Tadapox is a combination medication that contains two active ingredients: tadalafil and dapoxetine. It is primarily used to treat two common dysfunctions in men, namely erectile dysfunction (ED) and PE. Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor, similar to sildenafil (Viagra) and vardenafil (Levitra). It works by increasing blood flow to the during stimulation, helping to achieve and maintain an erection. Tadalafil is the same active ingredient found in Cialis, a medication used to treat ED. Tadapox combines the mechanisms of action of tadalafil and dapoxetine to address both ED and PE simultaneously. Tadalafil helps improve erectile function by increasing blood flow to the, while dapoxetine helps delay by increasing serotonin activity in the brain.