Your doctor or other health care professional can recommend one for you based on these factors, other health conditions you have and any other medicines you take. Continue to take sildenafil even if you feel well. Consider starting at a dose of 25 mg in patients with hepatic dysfunction e. If you are taking sildenafil for PAH, take the missed dose as soon as you remember it. Contraindications Nitrates increase cGMP formation, while sildenafil inhibits cGMP degradation causing the combination to produce severe life-threatening hypotension synergistically; coadministration of sildenafil with nitrates is contraindicated. Continuing Education Activity Sildenafil is a medication used in the management and treatment of erectile dysfunction and pulmonary arterial hypertension.Last updated on Uses Warnings Before taking Dosage Side effects Interactions FAQ What is sildenafil? Sildenafil relaxes muscles of the blood vessels and increases Missing: cost. These are indicative values based on popular product prices. Sildamax mg tablets, sildenafil table, ed medicine; Aziderm 20% cream 15gm; Sildenafil tablet, 10; Manforce mg tablet; Lovegra – sildenafil mg oral jelly (rose) Super p force (sildenafil citrate/dapoxetine). For example, sildenafil mg, mg, and mg tablets are approved for this use. To learn more about the cost of Viagra, refer to this article. Financial and insurance assistance.