Generic Duratia 60 works by raising the activity of serotonin in the nervous system. Serotonin is a neurotransmitter that is complicated in transient messages between nerve cells. It has various meanings in the body and is involved in sending the nerve mails that result in ejaculation. Growing the activity of serotonin in the nervous system helps to increase the time it takes to ejaculate and change control over the ejaculation. And improve control over the ejaculation.