Cenforce 150 mg drug is more popular than comparable drugs. Sildenafil is also sometimes used to treat pulmonary high blood pressure in the blood vessels that supply the lungs. It is also used to treat pulmonary arterial hypertension, a serious heart and lung condition. Erectile dysfunction is a condition where the penis does not harden and expand when a man is sexually excited, or when he cannot keep an erection, without physical action to the penis, such as that occurring during sexual intercourse, sildenafil will not work to cause an erection. Cenforce 200 mg is a good choice for people who need a higher dose to get the results they're looking for. The pill causes the blood arteries in the penis to relax, allowing for an increase in blood flow during sexual stimulation.