This medication is used to treat erectile dysfunction and impotence in males. Sildenafil, one of the drug’s ingredients, helps men have longer-lasting sex by boosting blood flow to their penis tissue. The Malegra 100 Review is available in our store. Males over the age of 18 should be the only ones using this medication. Follow your doctor’s advice when taking this medication. Take this medication half an hour before sexual activity. This medication takes five hours to take effect.