Buy Revatio online tablets as an alternative to Viagra to treat erectile dysfunction and pulmonary arterial hypertension (PAH) (Sildenafil). Revatio 20 mg is a medication used for the treatment of pulmonary hypertension by increasing blood pressure in the pulmonary artery, pulmonary vein, or pulmonary capillaries and also provides blood into the penis to maintain a long-lasting erection. Take this tablet 15-30 minutes before your bedtime to enjoy your night moment peacefully.