Sildenafil belongs to a class of pills called phosphodiesterase type 5 (PDE5) inhibitors. A class of medicines is a group of drugs that work similarly. These drugs are often used to treat similar situations. Sildenafil acts in different ways, depending on the condition it’s being used to treat.

For ED: malegra 200 mg works by increasing blood flow to the penis. This helps you get or keep an erection. Sildenafil only controls for ED if you’re sexually aroused.

For PAH: Sildenafil works by relaxing the muscles and opening up the blood vessels in your lungs. This decreases the blood pressure in your lungs. Sildenafil slows down the progress of your illness. It also gives you more able to exercise.

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