Are you unable to get up with your partner for a long time due to which you cannot make your partner happy. Therefore, men should use Cenforce 120 mg tablets which contain sildenafil as the active ingredient. This helps men to get a longer erection with their partner which lasts for 4-5 hours. Therefore, men should take this medicine only once in 24 hours. This medicine comes in different doses, so it is necessary to consult your doctor while taking medicine.