This allows the smooth muscles in the penis to relax and fill with blood. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco. Contact your medical provider if you experience any side effects during treatment. Advise patients to seek prompt medical care in the event of a sudden loss of hearing or decrease while taking sildenafil. No dose adjustment is required for mild to moderate hepatic impairment. In patients with vasoactive pulmonary arterial hypertension, vasodilation of the pulmonary artery leads to reduced resistance to blood flow, with subsequent reductions in mean pulmonary arterial pressure.Price for sildenafil* Dosage available for sildenafil* ED medications available: Roman: $4–$ Sildenafil is a medication used in the management and treatment of erectile dysfunction and pulmonary arterial hypertension. It is in the phosphodiesterase-5 inhibitor (PDE5-I) class of medications. This activity describes the indications, actions, adverse effects, and contraindications of sildenafil as an agent in the clinical setting. Knowledge . Sildenafil prices Intravenous Solution. 10 mg/ mL sildenafil intravenous solution. from $ for milliliters. Quantity Per unit Price; milliliters: $ $ See brand name versions of this drug: Revatio; Important: When there is a range of pricing, consumers should normally expect to pay the lower price. However, due to.