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. Those with pre-existing conditions should always consult a healthcare provider before taking new medications or supplements. You are encouraged to report adverse events related to Viatris products by calling U. Your health information should remain between your provider and yourself. Patients should always ask their doctors for medical advice about adverse events. You can take it in a small dose daily or in a larger dose as needed.A sildenafil (generic Viagra) membership starts at $20 monthly for six tablets of 30 mg. For $ each month, you’ll receive 34 sildenafil tablets of 45 mg each. Generic Viagra (sildenafil): $20 to $ per month. Generic Cialis (tadalafil): $20 to $ per month. Compare prices and print coupons for Sildenafil (Generic Revatio and Viagra) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $ In most males,* Viagra works within 1 hour after it’s taken. It’s possible that Viagra can begin working within 30 minutes of being taken. But other times, it may take up to 4 hours to start.