Men with erectile dysfunction are treated with this medication. Impotence can benefit from this medication. Sildenafil Citrate is a component in the medication that helps men's penile tissues receive more blood flow. Take this medication an hour before sexual activity. Take this medication once every 24 hours due to its negative effects. Malegra 25 can be purchased online from our store. This medication can be used either before or after a meal. Follow your doctor's advice when taking this medication.