Sildenafil (the active drug in Cenforce 150) is prescribed worldwide for erectile dysfunction, but the brand “Cenforce 150” itself has a much more specific usage pattern. In practice: Most commonly associated with India: Cenforce is manufactured by Indian pharmaceutical companies, and it is widely sold and prescribed (or dispensed) there as a low-cost generic sildenafil option. Export & online pharmacy markets: A large portion of its distribution is for international online pharmacies serving customers in Europe, Asia, Africa, and parts of the Middle East. Not an officially standard prescription brand in the US, UK, or EU: In those regions, doctors typically prescribe sildenafil under well-known approved brands (or generic sildenafil), not “Cenforce” specifically. If Cenforce appears there, it is usually through online import channels rather than routine local prescribing. So, if you’re asking “where is it most prescribed,” the most accurate answer is: primarily in India and in international online/generic export markets, rather than in tightly regulated Western prescription systems where other sildenafil brands dominate.