Male impotence is treated with kamagra vs Viagra . sildenafil, one of the drug's ingredients, helps men's penile tissue receive more blood flow and relaxes their penile muscles. Take this medication half an hour before sexual activity. Men over the age of eighteen should be the only people using this medication. kamagra Reviews are displayed from our store. This medication can be taken either before or after food. As prescribed by your physician, you should take this medication. Don't take this medication with cold beverages or fatty meals.