malegra 100 mg sunrise is used to treat sexual problems in men. This drug is an effective treatment for erectile dysfunction and impotence. This medicine contains a substance called sildenafil which helps men to feel stronger during sex. Take this medicine 30 minutes before intercourse. You can take this medicine before or after food. The effect of this medicine lasts 4 to 6 hours. Take malegra 50 mg  as advised by the doctor.