Dapoxetine, the active ingredient in Duratia 90 Mg, works by increasing serotonin levels in the brain, which helps to delay ejaculation.enhance their sexual satisfaction, and restore confidence in their intimate relationships. Duratia 90 Mg is one of the higher-dose options available for PE treatment and is often prescribed for those who experience rapid ejaculation and a lack of control during sexual intercourse. https://www.genericday.com/duratia-90-mg.html