Erectile dysfunction (impotence) problems can become difficult to treat after a while. If not treated on time, more serious problems may occur. Kamagra 100mg has proven to be the best way to treat it, a drug made from an active ingredient called sildenafil citrate, which helps improve blood flow to the male genitalia and prolongs sexual activity. The drug usually starts working within 30-40 minutes. By taking this pill you will be able to satisfy your partner sexually. You can buy this pill from the online store pharmev.com.