It also works in pulmonary hypertension by relaxing the blood vessels of the lungs to permit blood to flow more easily. Malegra 100 Mg containing the active ingredient, Sildenafil Citrate is employed within the treatment of dysfunction and Pulmonary Hypertension. Malegra 100 Mg is that the prescription based drug and will be available in various strengths and other substitutes. you want to ask your doctor about its frequency, and duration as age and severity of the disease differ in every individual.