Men fail to have sex time, it can be two reasons first can the biggest reasons can be insufficient blood flow to the penile area,  and other reasons like stress, unhealthy relationship, low sexual desire, etc. Which can cause the problem for Ed. Malegra 100 medicine can be prescribed to patients when they can have the problem of low erection. You get to maintain an erection during the sexual session.  This pill can help to improve the blood flow to the penile organ.