Filitra 10 is taken as needed, usually about 30 to 60 minutes before sexual activity. It is important to note that it does not work without sexual stimulation, and it should not be taken more than once per day. Nitrates, such as nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate, are medications often prescribed to treat chest pain (angina) and heart failure. Nitrates work by dilating (widening) the blood vessels, which helps to improve blood flow to the heart, reducing its workload and easing the pain associated with angina. They are also used in emergency situations to treat heart attacks or other cardiovascular issues. https://www.flatmeds.com/product/filitra-10-mg/