Tell your doctor if sildenafil is not working well or if you are experiencing side effects. Efficacy Results in Subpopulations in Controlled Clinical Studies A review of population subgroups demonstrated efficacy regardless of baseline severity, etiology, race and age. Ask your pharmacist for a list of the ingredients. Do not take a double dose to make up for a missed one. A starting oral dose of 25 mg should be considered in those patients [see Dosage and Administration 2. If you have certain health conditions or are taking certain medications, your doctor may tell you to take sildenafil less often. Such patients must not apply any out-of-pocket expenses incurred using this Savings Offer toward any government insurance benefit out-of-pocket spending calculations, such as Medicare Part D true out-of-pocket TrOOP costs You are responsible for reporting use of this Savings Offer to any private insurer, health plan, or other third party who pays for or reimburses any part of the prescription filled using this Savings Offer, as may be required.The Viagra prescription price can vary and depends on several factors. One factor is your insurance coverage. Prescription costs can vary with insurance . Examples of Viagra’s more commonly reported side effects include: headache. flushing (temporary warmth, redness, or deepening of skin color) stuffy nose. indigestion (upset stomach) mild vision. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the .
