Malegra 100 is a medication used to treat erectile dysfunction (ED) in men. It contains the active ingredient sildenafil citrate, which is also found in Viagra. When taking Malegra 100 as prescribed by a healthcare professional, here are some things you can expect: Improved erectile function: Malegra 100 sildenafil citrate works by increasing blood flow to the penis, helping you achieve and maintain a firm erection during sexual stimulation. You can expect improved erectile function, making it easier to engage in sexual activity. Onset and duration of action: Malegra 100 typically takes effect within 30 minutes to an hour after taking it. The effects can last for about 4 to 6 hours, although this can vary from person to person. It’s important to note that sexual stimulation is still required to achieve an erection.